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

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


Simplifying
2(10x2 + -3x + -9) = 4(5x2 + -4x + 8)

Reorder the terms:
2(-9 + -3x + 10x2) = 4(5x2 + -4x + 8)
(-9 * 2 + -3x * 2 + 10x2 * 2) = 4(5x2 + -4x + 8)
(-18 + -6x + 20x2) = 4(5x2 + -4x + 8)

Reorder the terms:
-18 + -6x + 20x2 = 4(8 + -4x + 5x2)
-18 + -6x + 20x2 = (8 * 4 + -4x * 4 + 5x2 * 4)
-18 + -6x + 20x2 = (32 + -16x + 20x2)

Add '-20x2' to each side of the equation.
-18 + -6x + 20x2 + -20x2 = 32 + -16x + 20x2 + -20x2

Combine like terms: 20x2 + -20x2 = 0
-18 + -6x + 0 = 32 + -16x + 20x2 + -20x2
-18 + -6x = 32 + -16x + 20x2 + -20x2

Combine like terms: 20x2 + -20x2 = 0
-18 + -6x = 32 + -16x + 0
-18 + -6x = 32 + -16x

Solving
-18 + -6x = 32 + -16x

Solving for variable 'x'.

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

Add '16x' to each side of the equation.
-18 + -6x + 16x = 32 + -16x + 16x

Combine like terms: -6x + 16x = 10x
-18 + 10x = 32 + -16x + 16x

Combine like terms: -16x + 16x = 0
-18 + 10x = 32 + 0
-18 + 10x = 32

Add '18' to each side of the equation.
-18 + 18 + 10x = 32 + 18

Combine like terms: -18 + 18 = 0
0 + 10x = 32 + 18
10x = 32 + 18

Combine like terms: 32 + 18 = 50
10x = 50

Divide each side by '10'.
x = 5

Simplifying
x = 5

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