dredre586
dredre586
10-04-2017
Mathematics
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What the answer (×+3)(×+7)
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erarasma
erarasma
10-04-2017
it is probably x^2 +10
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v3057
v3057
10-04-2017
you multiply it so the answer is x^2 + 7x + 3x +21 = x^2 + 10x + 21
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