(X+2)(x-1)=-10

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Solution for (X+2)(x-1)=-10 equation: 



(X+2)(X-1)=-10

We move all terms to the left:

(X+2)(X-1)-(-10)=0

We add all the numbers together, and all the variables

(X+2)(X-1)+10=0

We multiply parentheses ..

(+X^2-1X+2X-2)+10=0

We get rid of parentheses

X^2-1X+2X-2+10=0

We add all the numbers together, and all the variables

X^2+X+8=0

a = 1; b = 1; c = +8;
Δ = b2-4ac
Δ = 12-4·1·8
Δ = -31
Delta is less than zero, so there is no solution for the equation

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