154=7(-2x2)

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Solution for 154=7(-2x2) equation: 



154=7(-2x^2)

We move all terms to the left:

154-(7(-2x^2))=0



We calculate terms in parentheses: -(7(-2x^2)), so:

7(-2x^2)

We multiply parentheses

-14x^2

Back to the equation:

-(-14x^2)



We get rid of parentheses

14x^2+154=0

a = 14; b = 0; c = +154;
Δ = b2-4ac
Δ = 02-4·14·154
Δ = -8624
Delta is less than zero, so there is no solution for the equation

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