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(x+7)(x-2)+(x+2)(x-4)=(5+x)-53
We move all terms to the left:
(x+7)(x-2)+(x+2)(x-4)-((5+x)-53)=0
We add all the numbers together, and all the variables
(x+7)(x-2)+(x+2)(x-4)-((x+5)-53)=0
We multiply parentheses ..
(+x^2-2x+7x-14)+(x+2)(x-4)-((x+5)-53)=0
We calculate terms in parentheses: -((x+5)-53), so:We get rid of parentheses
(x+5)-53
We get rid of parentheses
x+5-53
We add all the numbers together, and all the variables
x-48
Back to the equation:
-(x-48)
x^2-2x+7x+(x+2)(x-4)-x-14+48=0
We multiply parentheses ..
x^2+(+x^2-4x+2x-8)-2x+7x-x-14+48=0
We add all the numbers together, and all the variables
x^2+(+x^2-4x+2x-8)+4x+34=0
We get rid of parentheses
x^2+x^2-4x+2x+4x-8+34=0
We add all the numbers together, and all the variables
2x^2+2x+26=0
a = 2; b = 2; c = +26;
Δ = b2-4ac
Δ = 22-4·2·26
Δ = -204
Delta is less than zero, so there is no solution for the equation
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