(7-x)*(10-x)+54=0

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Solution for (7-x)*(10-x)+54=0 equation: 



(7-x)(10-x)+54=0

We add all the numbers together, and all the variables

(-1x+7)(-1x+10)+54=0

We multiply parentheses ..

(+x^2-10x-7x+70)+54=0

We get rid of parentheses

x^2-10x-7x+70+54=0

We add all the numbers together, and all the variables

x^2-17x+124=0

a = 1; b = -17; c = +124;
Δ = b2-4ac
Δ = -172-4·1·124
Δ = -207
Delta is less than zero, so there is no solution for the equation

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