7=3x^2+5x+5

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Solution for 7=3x^2+5x+5 equation:


Simplifying
7 = 3x2 + 5x + 5

Reorder the terms:
7 = 5 + 5x + 3x2

Solving
7 = 5 + 5x + 3x2

Solving for variable 'x'.

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

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

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

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

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

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

Subproblem 1

Set the factor '(1 + -3x)' equal to zero and attempt to solve: Simplifying 1 + -3x = 0 Solving 1 + -3x = 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 + -3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3x = 0 + -1 -3x = 0 + -1 Combine like terms: 0 + -1 = -1 -3x = -1 Divide each side by '-3'. x = 0.3333333333 Simplifying x = 0.3333333333

Subproblem 2

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 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 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Solution

x = {0.3333333333, -2}

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