5+8a=53
8a=48
a = 48/8 =6
since 5+8a is inside the lines, that is absolute value so you can use either 6 or -6
(-2,-6) because when factored the values of x are -2,-6
<span>x² + 8x + 12 = 0
(x+6)(x+2)=0
x+6=0
----> x=-6
x+2=0
----> x=-2</span>
Answer:
107r³
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