Q11 of 137 Page 99

Factories:

3(a – 2b)2 -5(a – 2b)

3(a – 2b)2 -5(a – 2b)


= (a – 2b) {3(a – 2b) – 5}


= (a – 2b){(3a – 6b) – 5}


= (a – 2b)(3a – 6b – 5)


So,


We get,


3(a – 2b)2 -5(a – 2b) = (a – 2b)(3a – 6b – 5)


More from this chapter

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9

Factories:

9a(3a – 5b) – 12a2(3a – 5b)

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Factorize:


(x + 5)2 – 4(x + 5)

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Factories:

2a + 6b – 3(a + 3b)2

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Factories:

16(2p – 3q)2 – 4(2p – 3q)