1=10x^2+9x

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Solution for 1=10x^2+9x equation:


Simplifying
1 = 10x2 + 9x

Reorder the terms:
1 = 9x + 10x2

Solving
1 = 9x + 10x2

Solving for variable 'x'.

Reorder the terms:
1 + -9x + -10x2 = 9x + -9x + 10x2 + -10x2

Combine like terms: 9x + -9x = 0
1 + -9x + -10x2 = 0 + 10x2 + -10x2
1 + -9x + -10x2 = 10x2 + -10x2

Combine like terms: 10x2 + -10x2 = 0
1 + -9x + -10x2 = 0

Factor a trinomial.
(1 + -10x)(1 + x) = 0

Subproblem 1

Set the factor '(1 + -10x)' equal to zero and attempt to solve: Simplifying 1 + -10x = 0 Solving 1 + -10x = 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 + -10x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -10x = 0 + -1 -10x = 0 + -1 Combine like terms: 0 + -1 = -1 -10x = -1 Divide each side by '-10'. x = 0.1 Simplifying x = 0.1

Subproblem 2

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 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 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Solution

x = {0.1, -1}

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