x(4x+11)-4(x2+7)=49

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Solution for x(4x+11)-4(x2+7)=49 equation: 



x(4x+11)-4(x2+7)=49

We move all terms to the left:

x(4x+11)-4(x2+7)-(49)=0

We add all the numbers together, and all the variables

-4(+x^2+7)+x(4x+11)-49=0

We multiply parentheses

-4x^2+4x^2+11x-28-49=0

We add all the numbers together, and all the variables

11x-77=0

We move all terms containing x to the left, all other terms to the right

11x=77

x=77/11

x=7

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