12(x+3)2-21(x+3)whenx=-4

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Solution for 12(x+3)2-21(x+3)whenx=-4 equation: 


Simplifying
12(x + 3) * 2 + -21(x + 3) * whenx = -4

Reorder the terms:
12(3 + x) * 2 + -21(x + 3) * whenx = -4

Reorder the terms for easier multiplication:
12 * 2(3 + x) + -21(x + 3) * whenx = -4

Multiply 12 * 2
24(3 + x) + -21(x + 3) * whenx = -4
(3 * 24 + x * 24) + -21(x + 3) * whenx = -4
(72 + 24x) + -21(x + 3) * whenx = -4

Reorder the terms:
72 + 24x + -21(3 + x) * whenx = -4

Reorder the terms for easier multiplication:
72 + 24x + -21ehnwx(3 + x) = -4
72 + 24x + (3 * -21ehnwx + x * -21ehnwx) = -4
72 + 24x + (-63ehnwx + -21ehnwx2) = -4

Reorder the terms:
72 + -63ehnwx + -21ehnwx2 + 24x = -4

Solving
72 + -63ehnwx + -21ehnwx2 + 24x = -4

Solving for variable 'e'.

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

Add '-72' to each side of the equation.
72 + -63ehnwx + -21ehnwx2 + -72 + 24x = -4 + -72

Reorder the terms:
72 + -72 + -63ehnwx + -21ehnwx2 + 24x = -4 + -72

Combine like terms: 72 + -72 = 0
0 + -63ehnwx + -21ehnwx2 + 24x = -4 + -72
-63ehnwx + -21ehnwx2 + 24x = -4 + -72

Combine like terms: -4 + -72 = -76
-63ehnwx + -21ehnwx2 + 24x = -76

Add '-24x' to each side of the equation.
-63ehnwx + -21ehnwx2 + 24x + -24x = -76 + -24x

Combine like terms: 24x + -24x = 0
-63ehnwx + -21ehnwx2 + 0 = -76 + -24x
-63ehnwx + -21ehnwx2 = -76 + -24x

Reorder the terms:
76 + -63ehnwx + -21ehnwx2 + 24x = -76 + -24x + 76 + 24x

Reorder the terms:
76 + -63ehnwx + -21ehnwx2 + 24x = -76 + 76 + -24x + 24x

Combine like terms: -76 + 76 = 0
76 + -63ehnwx + -21ehnwx2 + 24x = 0 + -24x + 24x
76 + -63ehnwx + -21ehnwx2 + 24x = -24x + 24x

Combine like terms: -24x + 24x = 0
76 + -63ehnwx + -21ehnwx2 + 24x = 0

The solution to this equation could not be determined.

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