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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 7 - Mathematics
4.4 Common Binomial Factor - I

Factorise 3x(2a+5) + 2y(2a+5).
Take p=2a+5, then
The given expression can be changed as 3x.p + 2y.p
= (3x+2y)p   (Distributive property)
Substituting p value, we get
= (3x+2y)(2a+5)
Therefore 3x(2a+5) + 2y(2a+5) = (3x+2y)(2a+5)

Directions: Solve the following problems. Also write at least 10 examples of your own.
Q 1: Factorise 9a(7x-6) - 8b(7x-6).

Q 2: Factorise 9x(16a+5) - 3y(16a+5).

Q 3: Factorise 6x(7a-9) - 3y(7a-9).

Q 4: Factorise 19x(6a-7b) - 4y(6a-7b).

Q 5: Factorise 7x(7x-6) + 2y(7x-6).

Q 6: Factorise 15x(7a+9) + 7y(7a+9).

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!

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