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Simplifying
9x2 + -4 = 5x2 + -4
Reorder the terms:
-4 + 9x2 = 5x2 + -4
Reorder the terms:
-4 + 9x2 = -4 + 5x2
Add '4' to each side of the equation.
-4 + 4 + 9x2 = -4 + 4 + 5x2
Combine like terms: -4 + 4 = 0
0 + 9x2 = -4 + 4 + 5x2
9x2 = -4 + 4 + 5x2
Combine like terms: -4 + 4 = 0
9x2 = 0 + 5x2
9x2 = 5x2
Solving
9x2 = 5x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-5x2' to each side of the equation.
9x2 + -5x2 = 5x2 + -5x2
Combine like terms: 9x2 + -5x2 = 4x2
4x2 = 5x2 + -5x2
Combine like terms: 5x2 + -5x2 = 0
4x2 = 0
Divide each side by '4'.
x2 = 0
Simplifying
x2 = 0
Take the square root of each side:
x = {0}
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