-(7x+4)+(-7x^2+7x-9)=

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Solution for -(7x+4)+(-7x^2+7x-9)= equation:


Simplifying
-1(7x + 4) + (-7x2 + 7x + -9) = 0

Reorder the terms:
-1(4 + 7x) + (-7x2 + 7x + -9) = 0
(4 * -1 + 7x * -1) + (-7x2 + 7x + -9) = 0
(-4 + -7x) + (-7x2 + 7x + -9) = 0

Reorder the terms:
-4 + -7x + (-9 + 7x + -7x2) = 0

Remove parenthesis around (-9 + 7x + -7x2)
-4 + -7x + -9 + 7x + -7x2 = 0

Reorder the terms:
-4 + -9 + -7x + 7x + -7x2 = 0

Combine like terms: -4 + -9 = -13
-13 + -7x + 7x + -7x2 = 0

Combine like terms: -7x + 7x = 0
-13 + 0 + -7x2 = 0
-13 + -7x2 = 0

Solving
-13 + -7x2 = 0

Solving for variable 'x'.

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

Add '13' to each side of the equation.
-13 + 13 + -7x2 = 0 + 13

Combine like terms: -13 + 13 = 0
0 + -7x2 = 0 + 13
-7x2 = 0 + 13

Combine like terms: 0 + 13 = 13
-7x2 = 13

Divide each side by '-7'.
x2 = -1.857142857

Simplifying
x2 = -1.857142857

Reorder the terms:
1.857142857 + x2 = -1.857142857 + 1.857142857

Combine like terms: -1.857142857 + 1.857142857 = 0.000000000
1.857142857 + x2 = 0.000000000

The solution to this equation could not be determined.

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