w(w-7)=-5(w+2)

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Solution for w(w-7)=-5(w+2) equation: 



w(w-7)=-5(w+2)

We move all terms to the left:

w(w-7)-(-5(w+2))=0

We multiply parentheses

w^2-7w-(-5(w+2))=0



We calculate terms in parentheses: -(-5(w+2)), so:

-5(w+2)

We multiply parentheses

-5w-10

Back to the equation:

-(-5w-10)



We get rid of parentheses

w^2-7w+5w+10=0

We add all the numbers together, and all the variables

w^2-2w+10=0

a = 1; b = -2; c = +10;
Δ = b2-4ac
Δ = -22-4·1·10
Δ = -36
Delta is less than zero, so there is no solution for the equation

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