Question

Multiply: (a^2 − 3b^2)( 1/2 a + 6b – 3)

Answer 1

Answer:

Factors of 2a+6b-3(a+3b)²=

(a+3b)(2-3a-9b)

Explanation:

Factorising 2a+6b-3(a+3b)²

= 2(a+3b)-3(a+3b)(a+3b)

= (a+3b)[2-3(a+3b)]

= (a+3b)(2-3a-9b)

Therefore,

2a+6b-3(a+3b)²

= (a+3b)(2-3a-9b)

•••

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