Question

(i) 6(2a +3b)² - 8(2a +3b)
here how that -4 came and
please give step by step explanation​

Answer 1

Answer:

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Answer 2

Answer:

Simplification:-

Let's simplify step-by-step.

6(2a+3b)2−8(2a+3b)

Distribute:

=24a2+72ab+54b2+(−8)(2a)+(−8)(3b)

=24a2+72ab+54b2+−16a+−24b

Answer:

=24a2+72ab+54b2−16a−24b

Factorisation:-

Factor 6(2a+3b)2−8(2a+3b)

24a2+72ab+54b2−16a−24b

=2(12a2+36ab+27b2−8a−12b)

Answer:

2(12a2+36ab+27b2−8a−12b)