x(x-3)-x(x+4)=15x-23

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Solution for x(x-3)-x(x+4)=15x-23 equation:


Simplifying
x(x + -3) + -1x(x + 4) = 15x + -23

Reorder the terms:
x(-3 + x) + -1x(x + 4) = 15x + -23
(-3 * x + x * x) + -1x(x + 4) = 15x + -23
(-3x + x2) + -1x(x + 4) = 15x + -23

Reorder the terms:
-3x + x2 + -1x(4 + x) = 15x + -23
-3x + x2 + (4 * -1x + x * -1x) = 15x + -23
-3x + x2 + (-4x + -1x2) = 15x + -23

Reorder the terms:
-3x + -4x + x2 + -1x2 = 15x + -23

Combine like terms: -3x + -4x = -7x
-7x + x2 + -1x2 = 15x + -23

Combine like terms: x2 + -1x2 = 0
-7x + 0 = 15x + -23
-7x = 15x + -23

Reorder the terms:
-7x = -23 + 15x

Solving
-7x = -23 + 15x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-15x' to each side of the equation.
-7x + -15x = -23 + 15x + -15x

Combine like terms: -7x + -15x = -22x
-22x = -23 + 15x + -15x

Combine like terms: 15x + -15x = 0
-22x = -23 + 0
-22x = -23

Divide each side by '-22'.
x = 1.045454545

Simplifying
x = 1.045454545

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