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07-01-2019
Mathematics

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Which Expression Is The Factorization of x^2+10x+21?

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Аноним Аноним

07-01-2019

What multiplies to 21 that also adds up to 10? 7 and 3 would be your answer.
So, the expression (x + 7)(x + 3) is the factorization of x2+10x+21
To see if this answer is correct, FOIL it:
x2+3x+7x+21
x2+10x+21
Hope I helped!

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