Math, asked by suridhiraj901, 19 days ago

factorise
16a²-40ab+25b²-9x²+42x-49

Answers

Answered by ishikaparmar49

1

Step-by-step explanation:

6a²-40ab+25b²-9x²+42x-49

=(4a)²-2.4a.5b+(5b)²-

[(3x)²-2.3x.7+7²]

=(4a-5b)²-(3x-7)²

=(4a-5b+3x-7) (4a-5b-3x+7)

So this is your answer.

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