Answer:
C
Step-by-step explanation:
x²+2x-15 = x²-3x+5x-15 = x(x-3)+5(x-3)=(x+5)(x-3)
or delta:
∆=2²-4*1*(-15)=4+60=64
√∆=8
x1 = (-2+8)/2 = 3
x2=(-2-8)/2=-5
and 4x+20 = 4(x+5)
The same is (x+5), so it is GCF. answer C
Answer:
8
Step-by-step explanation:
Hope this is right! ;)
3)
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7)
201.6 ounces
Hope this helps and please mark me as brainlest and like
Answer:
V=343in³
Step-by-step explanation:
A=6a2
V=a
3V=6A3/2
36=6·2943/2
36=343in³
