3(x+4)2=21

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Solution for 3(x+4)2=21 equation:


3(x+4)2=21

We simplify the equation to the form, which is simple to understand 
3(x+4)2=21

Reorder the terms in parentheses
+(+3x+12)*2=21

Reorder the terms in parentheses
+(+6x+24)=21

Remove unnecessary parentheses
+6x+24=+21

We move all terms containing x to the left and all other terms to the right. 
+6x=+21-24

We simplify left and right side of the equation. 
+6x=-3

We divide both sides of the equation by 6 to get x. 
x=-0.5

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