x(x-7)+5(x+7)=0

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Solution for x(x-7)+5(x+7)=0 equation: 



x(x-7)+5(x+7)=0

We multiply parentheses

x^2-7x+5x+35=0

We add all the numbers together, and all the variables

x^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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