(x+4)(x+6)+8=x(x+1)-13

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Solution for (x+4)(x+6)+8=x(x+1)-13 equation:


Simplifying
(x + 4)(x + 6) + 8 = x(x + 1) + -13

Reorder the terms:
(4 + x)(x + 6) + 8 = x(x + 1) + -13

Reorder the terms:
(4 + x)(6 + x) + 8 = x(x + 1) + -13

Multiply (4 + x) * (6 + x)
(4(6 + x) + x(6 + x)) + 8 = x(x + 1) + -13
((6 * 4 + x * 4) + x(6 + x)) + 8 = x(x + 1) + -13
((24 + 4x) + x(6 + x)) + 8 = x(x + 1) + -13
(24 + 4x + (6 * x + x * x)) + 8 = x(x + 1) + -13
(24 + 4x + (6x + x2)) + 8 = x(x + 1) + -13

Combine like terms: 4x + 6x = 10x
(24 + 10x + x2) + 8 = x(x + 1) + -13

Reorder the terms:
24 + 8 + 10x + x2 = x(x + 1) + -13

Combine like terms: 24 + 8 = 32
32 + 10x + x2 = x(x + 1) + -13

Reorder the terms:
32 + 10x + x2 = x(1 + x) + -13
32 + 10x + x2 = (1 * x + x * x) + -13
32 + 10x + x2 = (1x + x2) + -13

Reorder the terms:
32 + 10x + x2 = -13 + 1x + x2

Add '-1x2' to each side of the equation.
32 + 10x + x2 + -1x2 = -13 + 1x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
32 + 10x + 0 = -13 + 1x + x2 + -1x2
32 + 10x = -13 + 1x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
32 + 10x = -13 + 1x + 0
32 + 10x = -13 + 1x

Solving
32 + 10x = -13 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
32 + 10x + -1x = -13 + 1x + -1x

Combine like terms: 10x + -1x = 9x
32 + 9x = -13 + 1x + -1x

Combine like terms: 1x + -1x = 0
32 + 9x = -13 + 0
32 + 9x = -13

Add '-32' to each side of the equation.
32 + -32 + 9x = -13 + -32

Combine like terms: 32 + -32 = 0
0 + 9x = -13 + -32
9x = -13 + -32

Combine like terms: -13 + -32 = -45
9x = -45

Divide each side by '9'.
x = -5

Simplifying
x = -5

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