4x-5=(2x)(x+2)+7

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Solution for 4x-5=(2x)(x+2)+7 equation:


Simplifying
4x + -5 = (2x)(x + 2) + 7

Reorder the terms:
-5 + 4x = (2x)(x + 2) + 7

Remove parenthesis around (2x)
-5 + 4x = 2x(x + 2) + 7

Reorder the terms:
-5 + 4x = 2x(2 + x) + 7
-5 + 4x = (2 * 2x + x * 2x) + 7
-5 + 4x = (4x + 2x2) + 7

Reorder the terms:
-5 + 4x = 7 + 4x + 2x2

Add '-4x' to each side of the equation.
-5 + 4x + -4x = 7 + 4x + -4x + 2x2

Combine like terms: 4x + -4x = 0
-5 + 0 = 7 + 4x + -4x + 2x2
-5 = 7 + 4x + -4x + 2x2

Combine like terms: 4x + -4x = 0
-5 = 7 + 0 + 2x2
-5 = 7 + 2x2

Solving
-5 = 7 + 2x2

Solving for variable 'x'.

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

Add '-2x2' to each side of the equation.
-5 + -2x2 = 7 + 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-5 + -2x2 = 7 + 0
-5 + -2x2 = 7

Add '5' to each side of the equation.
-5 + 5 + -2x2 = 7 + 5

Combine like terms: -5 + 5 = 0
0 + -2x2 = 7 + 5
-2x2 = 7 + 5

Combine like terms: 7 + 5 = 12
-2x2 = 12

Divide each side by '-2'.
x2 = -6

Simplifying
x2 = -6

Reorder the terms:
6 + x2 = -6 + 6

Combine like terms: -6 + 6 = 0
6 + x2 = 0

The solution to this equation could not be determined.

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