6x^2+21x-2x-7=0

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Solution for 6x^2+21x-2x-7=0 equation:


Simplifying
6x2 + 21x + -2x + -7 = 0

Reorder the terms:
-7 + 21x + -2x + 6x2 = 0

Combine like terms: 21x + -2x = 19x
-7 + 19x + 6x2 = 0

Solving
-7 + 19x + 6x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-7 + -2x)(1 + -3x) = 0

Subproblem 1

Set the factor '(-7 + -2x)' equal to zero and attempt to solve: Simplifying -7 + -2x = 0 Solving -7 + -2x = 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 + -2x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -2x = 0 + 7 -2x = 0 + 7 Combine like terms: 0 + 7 = 7 -2x = 7 Divide each side by '-2'. x = -3.5 Simplifying x = -3.5

Subproblem 2

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

Solution

x = {-3.5, 0.3333333333}

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