(4x+8)(2x-3)=8x^2-11

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Solution for (4x+8)(2x-3)=8x^2-11 equation:


Simplifying
(4x + 8)(2x + -3) = 8x2 + -11

Reorder the terms:
(8 + 4x)(2x + -3) = 8x2 + -11

Reorder the terms:
(8 + 4x)(-3 + 2x) = 8x2 + -11

Multiply (8 + 4x) * (-3 + 2x)
(8(-3 + 2x) + 4x * (-3 + 2x)) = 8x2 + -11
((-3 * 8 + 2x * 8) + 4x * (-3 + 2x)) = 8x2 + -11
((-24 + 16x) + 4x * (-3 + 2x)) = 8x2 + -11
(-24 + 16x + (-3 * 4x + 2x * 4x)) = 8x2 + -11
(-24 + 16x + (-12x + 8x2)) = 8x2 + -11

Combine like terms: 16x + -12x = 4x
(-24 + 4x + 8x2) = 8x2 + -11

Reorder the terms:
-24 + 4x + 8x2 = -11 + 8x2

Add '-8x2' to each side of the equation.
-24 + 4x + 8x2 + -8x2 = -11 + 8x2 + -8x2

Combine like terms: 8x2 + -8x2 = 0
-24 + 4x + 0 = -11 + 8x2 + -8x2
-24 + 4x = -11 + 8x2 + -8x2

Combine like terms: 8x2 + -8x2 = 0
-24 + 4x = -11 + 0
-24 + 4x = -11

Solving
-24 + 4x = -11

Solving for variable 'x'.

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

Add '24' to each side of the equation.
-24 + 24 + 4x = -11 + 24

Combine like terms: -24 + 24 = 0
0 + 4x = -11 + 24
4x = -11 + 24

Combine like terms: -11 + 24 = 13
4x = 13

Divide each side by '4'.
x = 3.25

Simplifying
x = 3.25

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