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

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


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

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

Remove parenthesis around (4 + -7x)
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 = -5
-5 + -7x + 7x + -7x2 = 0

Combine like terms: -7x + 7x = 0
-5 + 0 + -7x2 = 0
-5 + -7x2 = 0

Solving
-5 + -7x2 = 0

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 + -7x2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -7x2 = 0 + 5
-7x2 = 0 + 5

Combine like terms: 0 + 5 = 5
-7x2 = 5

Divide each side by '-7'.
x2 = -0.7142857143

Simplifying
x2 = -0.7142857143

Reorder the terms:
0.7142857143 + x2 = -0.7142857143 + 0.7142857143

Combine like terms: -0.7142857143 + 0.7142857143 = 0.0000000000
0.7142857143 + x2 = 0.0000000000

The solution to this equation could not be determined.

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