2(9x^2+42x+49)=

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Solution for 2(9x^2+42x+49)= equation:


Simplifying
2(9x2 + 42x + 49) = 0

Reorder the terms:
2(49 + 42x + 9x2) = 0
(49 * 2 + 42x * 2 + 9x2 * 2) = 0
(98 + 84x + 18x2) = 0

Solving
98 + 84x + 18x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(49 + 42x + 9x2) = 0

Factor a trinomial.
2((7 + 3x)(7 + 3x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(7 + 3x)' equal to zero and attempt to solve: Simplifying 7 + 3x = 0 Solving 7 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 3x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 3x = 0 + -7 3x = 0 + -7 Combine like terms: 0 + -7 = -7 3x = -7 Divide each side by '3'. x = -2.333333333 Simplifying x = -2.333333333

Subproblem 2

Set the factor '(7 + 3x)' equal to zero and attempt to solve: Simplifying 7 + 3x = 0 Solving 7 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 3x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 3x = 0 + -7 3x = 0 + -7 Combine like terms: 0 + -7 = -7 3x = -7 Divide each side by '3'. x = -2.333333333 Simplifying x = -2.333333333

Solution

x = {-2.333333333, -2.333333333}

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