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Simplifying
7x2 = (5x)(11x)
Remove parenthesis around (5x)
7x2 = 5x(11x)
Remove parenthesis around (11x)
7x2 = 5x * 11x
Reorder the terms for easier multiplication:
7x2 = 5 * 11x * x
Multiply 5 * 11
7x2 = 55x * x
Multiply x * x
7x2 = 55x2
Solving
7x2 = 55x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-55x2' to each side of the equation.
7x2 + -55x2 = 55x2 + -55x2
Combine like terms: 7x2 + -55x2 = -48x2
-48x2 = 55x2 + -55x2
Combine like terms: 55x2 + -55x2 = 0
-48x2 = 0
Divide each side by '-48'.
x2 = 0
Simplifying
x2 = 0
Take the square root of each side:
x = {0}
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