Math, asked by rajvinder952, 10 months ago

(B+7) (b-10) find it
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Answers

Answered by Anonymous

1

Answer:

b^2 - 10b + 7b - 70

b^2 - 3b - 70

.......................

Answered by rohitrs0908

1

Answer:

Step-by-step explanation:

(b+7)(b-10)

(b+7)(b-7-3)

(b+7)(b-7)-3(b+7)

Using (a+b)(a-b) = a²-b²

b²-49 - 3b -21

b²-3b-70

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