(x^2+8x-4)-(7x+1)=x^2-14

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Solution for (x^2+8x-4)-(7x+1)=x^2-14 equation:


Simplifying
(x2 + 8x + -4) + -1(7x + 1) = x2 + -14

Reorder the terms:
(-4 + 8x + x2) + -1(7x + 1) = x2 + -14

Remove parenthesis around (-4 + 8x + x2)
-4 + 8x + x2 + -1(7x + 1) = x2 + -14

Reorder the terms:
-4 + 8x + x2 + -1(1 + 7x) = x2 + -14
-4 + 8x + x2 + (1 * -1 + 7x * -1) = x2 + -14
-4 + 8x + x2 + (-1 + -7x) = x2 + -14

Reorder the terms:
-4 + -1 + 8x + -7x + x2 = x2 + -14

Combine like terms: -4 + -1 = -5
-5 + 8x + -7x + x2 = x2 + -14

Combine like terms: 8x + -7x = 1x
-5 + 1x + x2 = x2 + -14

Reorder the terms:
-5 + 1x + x2 = -14 + x2

Add '-1x2' to each side of the equation.
-5 + 1x + x2 + -1x2 = -14 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-5 + 1x + 0 = -14 + x2 + -1x2
-5 + 1x = -14 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-5 + 1x = -14 + 0
-5 + 1x = -14

Solving
-5 + 1x = -14

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 1x = -14 + 5

Combine like terms: -5 + 5 = 0
0 + 1x = -14 + 5
1x = -14 + 5

Combine like terms: -14 + 5 = -9
1x = -9

Divide each side by '1'.
x = -9

Simplifying
x = -9

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