Math, asked by sarahrjohn1510, 10 months ago

Factorise:
1. 3(2a - 5b)(3a + 4b) - 5(2a - 5b)(a - b)

Answers

Answered by bharathykanya

4

Step-by-step explanation:

3(2a-5b)(3a+4b)-5(2a-5b)(a-b)

(2a-5b)(3(3a+4b)-5(a-b))

(2a-5b)(9a+12b-5a-5b)

(2a-5b)(4a+7b)

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