8(10x^2-3x-9)=(5x^2-4x+8)16

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Solution for 8(10x^2-3x-9)=(5x^2-4x+8)16 equation:


Simplifying
8(10x2 + -3x + -9) = (5x2 + -4x + 8) * 16

Reorder the terms:
8(-9 + -3x + 10x2) = (5x2 + -4x + 8) * 16
(-9 * 8 + -3x * 8 + 10x2 * 8) = (5x2 + -4x + 8) * 16
(-72 + -24x + 80x2) = (5x2 + -4x + 8) * 16

Reorder the terms:
-72 + -24x + 80x2 = (8 + -4x + 5x2) * 16

Reorder the terms for easier multiplication:
-72 + -24x + 80x2 = 16(8 + -4x + 5x2)
-72 + -24x + 80x2 = (8 * 16 + -4x * 16 + 5x2 * 16)
-72 + -24x + 80x2 = (128 + -64x + 80x2)

Add '-80x2' to each side of the equation.
-72 + -24x + 80x2 + -80x2 = 128 + -64x + 80x2 + -80x2

Combine like terms: 80x2 + -80x2 = 0
-72 + -24x + 0 = 128 + -64x + 80x2 + -80x2
-72 + -24x = 128 + -64x + 80x2 + -80x2

Combine like terms: 80x2 + -80x2 = 0
-72 + -24x = 128 + -64x + 0
-72 + -24x = 128 + -64x

Solving
-72 + -24x = 128 + -64x

Solving for variable 'x'.

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

Add '64x' to each side of the equation.
-72 + -24x + 64x = 128 + -64x + 64x

Combine like terms: -24x + 64x = 40x
-72 + 40x = 128 + -64x + 64x

Combine like terms: -64x + 64x = 0
-72 + 40x = 128 + 0
-72 + 40x = 128

Add '72' to each side of the equation.
-72 + 72 + 40x = 128 + 72

Combine like terms: -72 + 72 = 0
0 + 40x = 128 + 72
40x = 128 + 72

Combine like terms: 128 + 72 = 200
40x = 200

Divide each side by '40'.
x = 5

Simplifying
x = 5

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