Math, asked by vermashashi257, 1 month ago

1. Evaluate each of the following using identities: (k) (x+7)(x+5)


please help me this question plz!!!​

Answers

Answered by shivgupta15sep2005
0

Answer:

x²+2x-35

Step-by-step explanation:

using identity x²+(a-b)x+ab

using identity x²+(a-b)x+abx²+(7-5)x+7×5

using identity x²+(a-b)x+abx²+(7-5)x+7×5x²+2x+35

using identity x²+(a-b)x+abx²+(7-5)x+7×5x²+2x+35That's the solution.

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