x(7x+4)-2x^2+17x-54=0

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Solution for x(7x+4)-2x^2+17x-54=0 equation:


Simplifying
x(7x + 4) + -2x2 + 17x + -54 = 0

Reorder the terms:
x(4 + 7x) + -2x2 + 17x + -54 = 0
(4 * x + 7x * x) + -2x2 + 17x + -54 = 0
(4x + 7x2) + -2x2 + 17x + -54 = 0

Reorder the terms:
-54 + 4x + 17x + 7x2 + -2x2 = 0

Combine like terms: 4x + 17x = 21x
-54 + 21x + 7x2 + -2x2 = 0

Combine like terms: 7x2 + -2x2 = 5x2
-54 + 21x + 5x2 = 0

Solving
-54 + 21x + 5x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-6 + -1x)(9 + -5x) = 0

Subproblem 1

Set the factor '(-6 + -1x)' equal to zero and attempt to solve: Simplifying -6 + -1x = 0 Solving -6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -1x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1x = 0 + 6 -1x = 0 + 6 Combine like terms: 0 + 6 = 6 -1x = 6 Divide each side by '-1'. x = -6 Simplifying x = -6

Subproblem 2

Set the factor '(9 + -5x)' equal to zero and attempt to solve: Simplifying 9 + -5x = 0 Solving 9 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -5x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -5x = 0 + -9 -5x = 0 + -9 Combine like terms: 0 + -9 = -9 -5x = -9 Divide each side by '-5'. x = 1.8 Simplifying x = 1.8

Solution

x = {-6, 1.8}

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