9x^4+9x^3=10x^2

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Solution for 9x^4+9x^3=10x^2 equation:


Simplifying
9x4 + 9x3 = 10x2

Reorder the terms:
9x3 + 9x4 = 10x2

Solving
9x3 + 9x4 = 10x2

Solving for variable 'x'.

Reorder the terms:
-10x2 + 9x3 + 9x4 = 10x2 + -10x2

Combine like terms: 10x2 + -10x2 = 0
-10x2 + 9x3 + 9x4 = 0

Factor out the Greatest Common Factor (GCF), 'x2'.
x2(-10 + 9x + 9x2) = 0

Factor a trinomial.
x2((-5 + -3x)(2 + -3x)) = 0

Subproblem 1

Set the factor 'x2' equal to zero and attempt to solve: Simplifying x2 = 0 Solving x2 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x2 = 0 Take the square root of each side: x = {0}

Subproblem 2

Set the factor '(-5 + -3x)' equal to zero and attempt to solve: Simplifying -5 + -3x = 0 Solving -5 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -3x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -3x = 0 + 5 -3x = 0 + 5 Combine like terms: 0 + 5 = 5 -3x = 5 Divide each side by '-3'. x = -1.666666667 Simplifying x = -1.666666667

Subproblem 3

Set the factor '(2 + -3x)' equal to zero and attempt to solve: Simplifying 2 + -3x = 0 Solving 2 + -3x = 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 + -3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3x = 0 + -2 -3x = 0 + -2 Combine like terms: 0 + -2 = -2 -3x = -2 Divide each side by '-3'. x = 0.6666666667 Simplifying x = 0.6666666667

Solution

x = {0, -1.666666667, 0.6666666667}

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