(7x^2-13-1)-(9x^2+8)=

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Solution for (7x^2-13-1)-(9x^2+8)= equation:


Simplifying
(7x2 + -13 + -1) + -1(9x2 + 8) = 0

Reorder the terms:
(-13 + -1 + 7x2) + -1(9x2 + 8) = 0

Combine like terms: -13 + -1 = -14
(-14 + 7x2) + -1(9x2 + 8) = 0

Remove parenthesis around (-14 + 7x2)
-14 + 7x2 + -1(9x2 + 8) = 0

Reorder the terms:
-14 + 7x2 + -1(8 + 9x2) = 0
-14 + 7x2 + (8 * -1 + 9x2 * -1) = 0
-14 + 7x2 + (-8 + -9x2) = 0

Reorder the terms:
-14 + -8 + 7x2 + -9x2 = 0

Combine like terms: -14 + -8 = -22
-22 + 7x2 + -9x2 = 0

Combine like terms: 7x2 + -9x2 = -2x2
-22 + -2x2 = 0

Solving
-22 + -2x2 = 0

Solving for variable 'x'.

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

Add '22' to each side of the equation.
-22 + 22 + -2x2 = 0 + 22

Combine like terms: -22 + 22 = 0
0 + -2x2 = 0 + 22
-2x2 = 0 + 22

Combine like terms: 0 + 22 = 22
-2x2 = 22

Divide each side by '-2'.
x2 = -11

Simplifying
x2 = -11

Reorder the terms:
11 + x2 = -11 + 11

Combine like terms: -11 + 11 = 0
11 + x2 = 0

The solution to this equation could not be determined.

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