Answer:
-4a^2+7a+4 , a=2 or -1/4
Step-by-step explanation:
Take -4 + 3a2 from 7a - a2
It means 7a -a^2 - (-4+3a^2)
7a -a^2 +4-3a^2
7a -a^2-3a^2+4
7a -4a^2+4
-4a^2+7a+4
-4a^2+8a-a+4
-4a^2-a+8a+4
-a(4a+1)+2(4a+1)
(-a+2)(4a+1) =0
-a+2=0 4a+1=0
-a=-2 4a=-1
-a/-1=-2/-1 a=-1/4
a=2 or -1/4
Answer:
option d
Step-by-step explanation:
hope it helps u
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Y=2/3x-1 is the equation:)
Answer:
-25/16
Step-by-step explanation:
m=(y2-y1)/(x2-x1)
m=(-7-68)/(54-6)
m=-75/48
m=-25/16