45x^2+147x+79=7

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Solution for 45x^2+147x+79=7 equation:


Simplifying
45x2 + 147x + 79 = 7

Reorder the terms:
79 + 147x + 45x2 = 7

Solving
79 + 147x + 45x2 = 7

Solving for variable 'x'.

Reorder the terms:
79 + -7 + 147x + 45x2 = 7 + -7

Combine like terms: 79 + -7 = 72
72 + 147x + 45x2 = 7 + -7

Combine like terms: 7 + -7 = 0
72 + 147x + 45x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(24 + 49x + 15x2) = 0

Factor a trinomial.
3((8 + 3x)(3 + 5x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(8 + 3x)' equal to zero and attempt to solve: Simplifying 8 + 3x = 0 Solving 8 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 3x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 3x = 0 + -8 3x = 0 + -8 Combine like terms: 0 + -8 = -8 3x = -8 Divide each side by '3'. x = -2.666666667 Simplifying x = -2.666666667

Subproblem 2

Set the factor '(3 + 5x)' equal to zero and attempt to solve: Simplifying 3 + 5x = 0 Solving 3 + 5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 5x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 5x = 0 + -3 5x = 0 + -3 Combine like terms: 0 + -3 = -3 5x = -3 Divide each side by '5'. x = -0.6 Simplifying x = -0.6

Solution

x = {-2.666666667, -0.6}

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