2x(x+4)-7=14-3x

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Solution for 2x(x+4)-7=14-3x equation: 


Simplifying
2x(x + 4) + -7 = 14 + -3x

Reorder the terms:
2x(4 + x) + -7 = 14 + -3x
(4 * 2x + x * 2x) + -7 = 14 + -3x
(8x + 2x2) + -7 = 14 + -3x

Reorder the terms:
-7 + 8x + 2x2 = 14 + -3x

Solving
-7 + 8x + 2x2 = 14 + -3x

Solving for variable 'x'.

Reorder the terms:
-7 + -14 + 8x + 3x + 2x2 = 14 + -3x + -14 + 3x

Combine like terms: -7 + -14 = -21
-21 + 8x + 3x + 2x2 = 14 + -3x + -14 + 3x

Combine like terms: 8x + 3x = 11x
-21 + 11x + 2x2 = 14 + -3x + -14 + 3x

Reorder the terms:
-21 + 11x + 2x2 = 14 + -14 + -3x + 3x

Combine like terms: 14 + -14 = 0
-21 + 11x + 2x2 = 0 + -3x + 3x
-21 + 11x + 2x2 = -3x + 3x

Combine like terms: -3x + 3x = 0
-21 + 11x + 2x2 = 0

Factor a trinomial.
(-7 + -1x)(3 + -2x) = 0


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

Simplifying
-7 + -1x = 0

Solving
-7 + -1x = 0

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

Add '7' to each side of the equation.
-7 + 7 + -1x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -1x = 0 + 7
-1x = 0 + 7

Combine like terms: 0 + 7 = 7
-1x = 7

Divide each side by '-1'.
x = -7

Simplifying
x = -7

Subproblem 2
Set the factor '(3 + -2x)' equal to zero and attempt to solve:

Simplifying
3 + -2x = 0

Solving
3 + -2x = 0

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

Add '-3' to each side of the equation.
3 + -3 + -2x = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -2x = 0 + -3
-2x = 0 + -3

Combine like terms: 0 + -3 = -3
-2x = -3

Divide each side by '-2'.
x = 1.5

Simplifying
x = 1.5
Solution
x = {-7, 1.5}

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