5x^2-14=(5x+2)(x-9)

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Solution for 5x^2-14=(5x+2)(x-9) equation:


Simplifying
5x2 + -14 = (5x + 2)(x + -9)

Reorder the terms:
-14 + 5x2 = (5x + 2)(x + -9)

Reorder the terms:
-14 + 5x2 = (2 + 5x)(x + -9)

Reorder the terms:
-14 + 5x2 = (2 + 5x)(-9 + x)

Multiply (2 + 5x) * (-9 + x)
-14 + 5x2 = (2(-9 + x) + 5x * (-9 + x))
-14 + 5x2 = ((-9 * 2 + x * 2) + 5x * (-9 + x))
-14 + 5x2 = ((-18 + 2x) + 5x * (-9 + x))
-14 + 5x2 = (-18 + 2x + (-9 * 5x + x * 5x))
-14 + 5x2 = (-18 + 2x + (-45x + 5x2))

Combine like terms: 2x + -45x = -43x
-14 + 5x2 = (-18 + -43x + 5x2)

Add '-5x2' to each side of the equation.
-14 + 5x2 + -5x2 = -18 + -43x + 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
-14 + 0 = -18 + -43x + 5x2 + -5x2
-14 = -18 + -43x + 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
-14 = -18 + -43x + 0
-14 = -18 + -43x

Solving
-14 = -18 + -43x

Solving for variable 'x'.

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

Add '43x' to each side of the equation.
-14 + 43x = -18 + -43x + 43x

Combine like terms: -43x + 43x = 0
-14 + 43x = -18 + 0
-14 + 43x = -18

Add '14' to each side of the equation.
-14 + 14 + 43x = -18 + 14

Combine like terms: -14 + 14 = 0
0 + 43x = -18 + 14
43x = -18 + 14

Combine like terms: -18 + 14 = -4
43x = -4

Divide each side by '43'.
x = -0.09302325581

Simplifying
x = -0.09302325581

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