x^2-10y^2=-9

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Solution for x^2-10y^2=-9 equation:


Simplifying
x2 + -10y2 = -9

Solving
x2 + -10y2 = -9

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '10y2' to each side of the equation.
x2 + -10y2 + 10y2 = -9 + 10y2

Combine like terms: -10y2 + 10y2 = 0
x2 + 0 = -9 + 10y2
x2 = -9 + 10y2

Simplifying
x2 = -9 + 10y2

Reorder the terms:
9 + x2 + -10y2 = -9 + 10y2 + 9 + -10y2

Reorder the terms:
9 + x2 + -10y2 = -9 + 9 + 10y2 + -10y2

Combine like terms: -9 + 9 = 0
9 + x2 + -10y2 = 0 + 10y2 + -10y2
9 + x2 + -10y2 = 10y2 + -10y2

Combine like terms: 10y2 + -10y2 = 0
9 + x2 + -10y2 = 0

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

Subproblem 1

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

Subproblem 2

Set the factor '(x + 10y)' equal to zero and attempt to solve: Simplifying x + 10y = 0 Solving x + 10y = 0 Move all terms containing x to the left, all other terms to the right. Add '-10y' to each side of the equation. x + 10y + -10y = 0 + -10y Combine like terms: 10y + -10y = 0 x + 0 = 0 + -10y x = 0 + -10y Remove the zero: x = -10y Simplifying x = -10y

Solution

x = {y, -10y}

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