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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 7 - Mathematics
4.3 Common Binomial Factor - II

Factorise (6a-b)(x+y) - (2a-3b)(x+y).
Give that (6a-b)(x+y) - (2a-3b)(x+y)
= [(6a-b)-(2a-3b)](x+y)  {Since (x+y) is the greatest common factor}
= [6a-b-2a+3b](x+y)
= [4a+2b](x+y)
= 2[2a+b](x+y)

Directions: Solve the following problems. Also write at least ten examples of your own.
Q 1: Factorise (4x-3y)(2a+b) + (7x-3y)(2a+b).

Q 2: Factorise (7x+3y)(2a-b) + (7x+3y)(3a+b).

Q 3: Factorise (6a-3b)(2x+3y) - (6a+3b)(2x+3y).

Q 4: Factorise (9x+2y)(3a+5b) + (7x+3y)(3a+5b).

Question 5: This question is available to subscribers only!

Question 6: This question is available to subscribers only!

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