(x-3)(x+5)=x^2-7x-24

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Solution for (x-3)(x+5)=x^2-7x-24 equation:


Simplifying
(x + -3)(x + 5) = x2 + -7x + -24

Reorder the terms:
(-3 + x)(x + 5) = x2 + -7x + -24

Reorder the terms:
(-3 + x)(5 + x) = x2 + -7x + -24

Multiply (-3 + x) * (5 + x)
(-3(5 + x) + x(5 + x)) = x2 + -7x + -24
((5 * -3 + x * -3) + x(5 + x)) = x2 + -7x + -24
((-15 + -3x) + x(5 + x)) = x2 + -7x + -24
(-15 + -3x + (5 * x + x * x)) = x2 + -7x + -24
(-15 + -3x + (5x + x2)) = x2 + -7x + -24

Combine like terms: -3x + 5x = 2x
(-15 + 2x + x2) = x2 + -7x + -24

Reorder the terms:
-15 + 2x + x2 = -24 + -7x + x2

Add '-1x2' to each side of the equation.
-15 + 2x + x2 + -1x2 = -24 + -7x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-15 + 2x + 0 = -24 + -7x + x2 + -1x2
-15 + 2x = -24 + -7x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-15 + 2x = -24 + -7x + 0
-15 + 2x = -24 + -7x

Solving
-15 + 2x = -24 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-15 + 2x + 7x = -24 + -7x + 7x

Combine like terms: 2x + 7x = 9x
-15 + 9x = -24 + -7x + 7x

Combine like terms: -7x + 7x = 0
-15 + 9x = -24 + 0
-15 + 9x = -24

Add '15' to each side of the equation.
-15 + 15 + 9x = -24 + 15

Combine like terms: -15 + 15 = 0
0 + 9x = -24 + 15
9x = -24 + 15

Combine like terms: -24 + 15 = -9
9x = -9

Divide each side by '9'.
x = -1

Simplifying
x = -1

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