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Mathematics
Efrain
1 July, 22:35
Factor x2 + 8.0 + 15
A. (x+8) (x+15)
B. (x+3) (x+5)
C. (x+6) (x+20)
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Makena French
2 July, 00:36
0
b
Step-by-step explanation:
to factor, just think of what 2 numbers multiplied together = 15 and added = 8. in this case, 3*5=15 and 3+5=8
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Justus
2 July, 01:07
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B. (x+3) (x+5)
x^2 + 8.0 + 15 is a standard form equation (ax^2 + bx + c). When factoring standard form equations that have a coefficient of one, you want to find two numbers that add to "b" and multiply to "c". In this case, 3 + 5 equals 8.0 which is your b-value, and 3 x 5 equals 15 which is your c-value.
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» Factor x2 + 8.0 + 15 A. (x+8) (x+15) B. (x+3) (x+5) C. (x+6) (x+20)
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