(x+7)2=x2+49

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Solution for (x+7)2=x2+49 equation: 



(x+7)2=x2+49

We move all terms to the left:

(x+7)2-(x2+49)=0

We add all the numbers together, and all the variables

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

We multiply parentheses

-(+x^2+49)+2x+14=0

We get rid of parentheses

-x^2+2x-49+14=0

We add all the numbers together, and all the variables

-1x^2+2x-35=0

a = -1; b = 2; c = -35;
Δ = b2-4ac
Δ = 22-4·(-1)·(-35)
Δ = -136
Delta is less than zero, so there is no solution for the equation

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