\begin{aligned} 3(x+8)^2+8&=83 3(x+8)^2&=75&\text{Step }1 (x+8)^2&=225&\text{Step }2 x+8&=\pm 15&\text{Step }3 x=7&\text{ or }x=-23&\text{Step }4 \end{aligned}
3(x+8)
2
+8
3(x+8)
2

(x+8)
2

x+8
x=7


=83
=75
=225
=±15
or x=−23


Step 1
Step 2
Step 3
Step 4

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