56c^2+23c-63=0

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Solution for 56c^2+23c-63=0 equation: 


Simplifying
56c2 + 23c + -63 = 0

Reorder the terms:
-63 + 23c + 56c2 = 0

Solving
-63 + 23c + 56c2 = 0

Solving for variable 'c'.

Factor a trinomial.
(-9 + -7c)(7 + -8c) = 0


Subproblem 1
Set the factor '(-9 + -7c)' equal to zero and attempt to solve:

Simplifying
-9 + -7c = 0

Solving
-9 + -7c = 0

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

Add '9' to each side of the equation.
-9 + 9 + -7c = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -7c = 0 + 9
-7c = 0 + 9

Combine like terms: 0 + 9 = 9
-7c = 9

Divide each side by '-7'.
c = -1.285714286

Simplifying
c = -1.285714286

Subproblem 2
Set the factor '(7 + -8c)' equal to zero and attempt to solve:

Simplifying
7 + -8c = 0

Solving
7 + -8c = 0

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

Add '-7' to each side of the equation.
7 + -7 + -8c = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -8c = 0 + -7
-8c = 0 + -7

Combine like terms: 0 + -7 = -7
-8c = -7

Divide each side by '-8'.
c = 0.875

Simplifying
c = 0.875
Solution
c = {-1.285714286, 0.875}

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