Question

factorize : 3(2a-5b)²-10(2a-5b)-8​

Answer 1

Answer:

12a²+75b²-60ab-20a+50b-8

Step-by-step explanation:

3(2a-5b)²-10(2a-5b)-8

3(4a²+25b²-20ab)-20a+50b-8

12a²+75b²-60ab-20a+50b-8

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Answer 2

Answer:

(x-4)(3x-2)

Step-by-step explanation:

3(2a-5b)²-10(2a-5b)-8

let 2a-5b be x

3x²-10x-8

3x²-12x+2x-8

3x(x-4)+2(x-4)

(x-4)(3x-2)