(15)(15)=(8-x)(16+x)

Solution for (15)(15)=(8-x)(16+x) equation:

(15)(15)=(8-x)(16+x)

We move all terms to the left:

(15)(15)-((8-x)(16+x))=0

We add all the numbers together, and all the variables

-((-1x+8)(x+16))+1515=0

We multiply parentheses ..

-((-1x^2-16x+8x+128))+1515=0


We calculate terms in parentheses: -((-1x^2-16x+8x+128)), so:

(-1x^2-16x+8x+128)

We get rid of parentheses

-1x^2-16x+8x+128

We add all the numbers together, and all the variables

-1x^2-8x+128

Back to the equation:

-(-1x^2-8x+128)


We get rid of parentheses

1x^2+8x-128+1515=0

We add all the numbers together, and all the variables

x^2+8x+1387=0

a = 1; b = 8; c = +1387;
Δ = b2-4ac
Δ = 82-4·1·1387
Δ = -5484
Delta is less than zero, so there is no solution for the equation