4x^2-15x+7=-3x+2

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Solution for 4x^2-15x+7=-3x+2 equation: 


Simplifying
4x2 + -15x + 7 = -3x + 2

Reorder the terms:
7 + -15x + 4x2 = -3x + 2

Reorder the terms:
7 + -15x + 4x2 = 2 + -3x

Solving
7 + -15x + 4x2 = 2 + -3x

Solving for variable 'x'.

Reorder the terms:
7 + -2 + -15x + 3x + 4x2 = 2 + -3x + -2 + 3x

Combine like terms: 7 + -2 = 5
5 + -15x + 3x + 4x2 = 2 + -3x + -2 + 3x

Combine like terms: -15x + 3x = -12x
5 + -12x + 4x2 = 2 + -3x + -2 + 3x

Reorder the terms:
5 + -12x + 4x2 = 2 + -2 + -3x + 3x

Combine like terms: 2 + -2 = 0
5 + -12x + 4x2 = 0 + -3x + 3x
5 + -12x + 4x2 = -3x + 3x

Combine like terms: -3x + 3x = 0
5 + -12x + 4x2 = 0

Factor a trinomial.
(1 + -2x)(5 + -2x) = 0


Subproblem 1
Set the factor '(1 + -2x)' equal to zero and attempt to solve:

Simplifying
1 + -2x = 0

Solving
1 + -2x = 0

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

Add '-1' to each side of the equation.
1 + -1 + -2x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -2x = 0 + -1
-2x = 0 + -1

Combine like terms: 0 + -1 = -1
-2x = -1

Divide each side by '-2'.
x = 0.5

Simplifying
x = 0.5

Subproblem 2
Set the factor '(5 + -2x)' equal to zero and attempt to solve:

Simplifying
5 + -2x = 0

Solving
5 + -2x = 0

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

Add '-5' to each side of the equation.
5 + -5 + -2x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -2x = 0 + -5
-2x = 0 + -5

Combine like terms: 0 + -5 = -5
-2x = -5

Divide each side by '-2'.
x = 2.5

Simplifying
x = 2.5
Solution
x = {0.5, 2.5}

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