Math, asked by nandkishorb04, 6 months ago

Expand. a)(5x-7)(5x-9) Or b)5x-7) (5x+7)

Answers

Answered by habnatan99

1

Answer:

a,25x2(square)-45x-35x+63

a,25x2(square)-80x+63

b,25x2(square)+35x-35x-49

b,25x2(square)-49

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