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alina1380 [7]
3 years ago
5

Factoring trinomials????x^2+8x+15

Mathematics
2 answers:
DiKsa [7]3 years ago
6 0
X^2+8x+15

= x^2 + 5x + 3x + 15

= x(x+5) + 3(x+5)

= (x+5)(x+3)
Scilla [17]3 years ago
4 0

You nee 2 numbers whose sum is +8 and whose product is +15.

That is 3 and 5.

so the answer is (x + 3)(x + 5)

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<span>      --------------   /
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