(x)=7x^2+2x

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Solution for (x)=7x^2+2x equation:


Simplifying
(x) = 7x2 + 2x
x = 7x2 + 2x

Reorder the terms:
x = 2x + 7x2

Solving
x = 2x + 7x2

Solving for variable 'x'.

Combine like terms: x + -2x = -1x
-1x + -7x2 = 2x + 7x2 + -2x + -7x2

Reorder the terms:
-1x + -7x2 = 2x + -2x + 7x2 + -7x2

Combine like terms: 2x + -2x = 0
-1x + -7x2 = 0 + 7x2 + -7x2
-1x + -7x2 = 7x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
-1x + -7x2 = 0

Factor out the Greatest Common Factor (GCF), '-1x'.
-1x(1 + 7x) = 0

Ignore the factor -1.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(1 + 7x)' equal to zero and attempt to solve: Simplifying 1 + 7x = 0 Solving 1 + 7x = 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 + 7x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 7x = 0 + -1 7x = 0 + -1 Combine like terms: 0 + -1 = -1 7x = -1 Divide each side by '7'. x = -0.1428571429 Simplifying x = -0.1428571429

Solution

x = {0, -0.1428571429}

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