Exercise 4.2
Unit 4 – Algebraic Expressions and Algebraic Formulas

### This Post Has 47 Comments

1. Abdullah nawaz

nice aap for 9th class student i am grateful to who make this aap.. Thanks alot very much again and again.

2. M. Usama

Hi!
Please review question no 10 is the formula is correct?

1. Author

yes. it is correct .

2. Momina Bashir

Jazakallah Allah bless you and your family 💝💝

1. Shahzaib

Sir Q#15 ka question wrong likha hai

1. Author

I’ve corrected the mistake. Thanks for the correction.

3. Happy happy

V.Nyc😊

4. Ali

Keep it up
This is so help ful for me
Thankyou so much for this notes

1. Hamna

Yeah Its really help full for us

5. King 👑

2. Ehsan

Love this website…has the correct and easy answers…great work…Appreciated!!

3. UmmeHani

I am very thankful to the person who made those notes. May Allah bless you.

1. Hurab

Seriously yar .it’s very easy to complete my work.and these notes are very helpful ❤️

6. usman

here is a mistake in question 5

1. usman

the value of z square not putted

1. Author

I’ve corrected the mistake. Thanks for the correction.

2. annonymous

3rd form of put is stil put

2. Op

In q14 part 3 in last step it it is (6square -6square ) it’s written six square 12 but six square is 36 not 12 pls check

1. Author

There is no q14 part 3.

very good website vey very good Allah may bless you

8. Abdullah jutt

thanks a lot dear it is very help full for me again thanks

9. M T Alam

Goods service for students and others.

10. Vjvf

Mistake in q12 while substituting values in formula

1. Author

There is no mistake found in it.

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12. Areeba

There’s a mistake in question 3 second last step too

1. Author

There is no mistake found in it.

1. Haiqa

There is a mistake in Q9. The value of xy is given as 6 so put 3(6) rather than 3(5x)(6y)

1. Author

No, it is correct, first putting the value of x and y.. after then put the value of xy. no problem in that question.

13. Shahzaib

Can u type **BY PUTTING VALUES** before putting values pls it would be helpful for us

14. Jazib irfan

There is a problem in Q3 The given value is mn+np+mp but you written mn+np+np so kindly correct that mistake.Good notes and thankyou.

1. Author

I’ve corrected the mistake. Thanks for the correction.

1. Mudassar

Question 3 have mistake of mn+np+np it is mistake

15. Crazy Playz

Q#15 ka par 3 ka question Galt hai

1. Author

Kindly mention the mistake.

16. Abdullah umer

17. khush Aman

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18. Hamna

This is very helpful sir thank uuuu🤓sir

19. M Rehan

It’s a grateful website and I want to tell you that there is a mistake in Q no 3 as you put mn+np+np but it is mn+np+MP

20. JOHN CENA

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21. Rameez

Hi I am canfiuse form ex number 4.2 question number 3

22. Abeeha

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23. Mashal

Thank uuuu sir 😊😊