Question

make a question for this identity (x+a)(x+b)=x²+(a+b)x+(a)(b)
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Answer 1

Answer:

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Answer 2

Answer:

[ 5+1 ] [5+2]

[5 + 1] [5 + 2] = 5² + [1 + 2] 5 + [1×2]

[by using identity (x+a)(x+b)=x²+(a+b)x+(a)(b)]

[5 + 1] [5 + 2] = 25 + 3 × 5 + 2

                      = 25 + 15 + 2

                      = 40 + 2

                      = 42

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