0=7x+2-15x^2

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Solution for 0=7x+2-15x^2 equation: 


Simplifying
0 = 7x + 2 + -15x2

Reorder the terms:
0 = 2 + 7x + -15x2

Solving
0 = 2 + 7x + -15x2

Solving for variable 'x'.

Combine like terms: 0 + -2 = -2
-2 + -7x + 15x2 = 2 + 7x + -15x2 + -2 + -7x + 15x2

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

Combine like terms: 2 + -2 = 0
-2 + -7x + 15x2 = 0 + 7x + -7x + -15x2 + 15x2
-2 + -7x + 15x2 = 7x + -7x + -15x2 + 15x2

Combine like terms: 7x + -7x = 0
-2 + -7x + 15x2 = 0 + -15x2 + 15x2
-2 + -7x + 15x2 = -15x2 + 15x2

Combine like terms: -15x2 + 15x2 = 0
-2 + -7x + 15x2 = 0

Factor a trinomial.
(-1 + -5x)(2 + -3x) = 0


Subproblem 1
Set the factor '(-1 + -5x)' equal to zero and attempt to solve:

Simplifying
-1 + -5x = 0

Solving
-1 + -5x = 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 + -5x = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -5x = 0 + 1
-5x = 0 + 1

Combine like terms: 0 + 1 = 1
-5x = 1

Divide each side by '-5'.
x = -0.2

Simplifying
x = -0.2

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

Simplifying
2 + -3x = 0

Solving
2 + -3x = 0

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

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

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

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

Divide each side by '-3'.
x = 0.6666666667

Simplifying
x = 0.6666666667
Solution
x = {-0.2, 0.6666666667}

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