(x+8)(x-2)-x(x+10)=48

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Solution for (x+8)(x-2)-x(x+10)=48 equation:


Simplifying
(x + 8)(x + -2) + -1x(x + 10) = 48

Reorder the terms:
(8 + x)(x + -2) + -1x(x + 10) = 48

Reorder the terms:
(8 + x)(-2 + x) + -1x(x + 10) = 48

Multiply (8 + x) * (-2 + x)
(8(-2 + x) + x(-2 + x)) + -1x(x + 10) = 48
((-2 * 8 + x * 8) + x(-2 + x)) + -1x(x + 10) = 48
((-16 + 8x) + x(-2 + x)) + -1x(x + 10) = 48
(-16 + 8x + (-2 * x + x * x)) + -1x(x + 10) = 48
(-16 + 8x + (-2x + x2)) + -1x(x + 10) = 48

Combine like terms: 8x + -2x = 6x
(-16 + 6x + x2) + -1x(x + 10) = 48

Reorder the terms:
-16 + 6x + x2 + -1x(10 + x) = 48
-16 + 6x + x2 + (10 * -1x + x * -1x) = 48
-16 + 6x + x2 + (-10x + -1x2) = 48

Reorder the terms:
-16 + 6x + -10x + x2 + -1x2 = 48

Combine like terms: 6x + -10x = -4x
-16 + -4x + x2 + -1x2 = 48

Combine like terms: x2 + -1x2 = 0
-16 + -4x + 0 = 48
-16 + -4x = 48

Solving
-16 + -4x = 48

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + -4x = 48 + 16

Combine like terms: -16 + 16 = 0
0 + -4x = 48 + 16
-4x = 48 + 16

Combine like terms: 48 + 16 = 64
-4x = 64

Divide each side by '-4'.
x = -16

Simplifying
x = -16

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