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Simplifying 49x2 + -210x + 225 = 0 Reorder the terms: 225 + -210x + 49x2 = 0 Solving 225 + -210x + 49x2 = 0 Solving for variable 'x'. Factor a trinomial. (15 + -7x)(15 + -7x) = 0Subproblem 1
Set the factor '(15 + -7x)' equal to zero and attempt to solve: Simplifying 15 + -7x = 0 Solving 15 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + -7x = 0 + -15 Combine like terms: 15 + -15 = 0 0 + -7x = 0 + -15 -7x = 0 + -15 Combine like terms: 0 + -15 = -15 -7x = -15 Divide each side by '-7'. x = 2.142857143 Simplifying x = 2.142857143Subproblem 2
Set the factor '(15 + -7x)' equal to zero and attempt to solve: Simplifying 15 + -7x = 0 Solving 15 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + -7x = 0 + -15 Combine like terms: 15 + -15 = 0 0 + -7x = 0 + -15 -7x = 0 + -15 Combine like terms: 0 + -15 = -15 -7x = -15 Divide each side by '-7'. x = 2.142857143 Simplifying x = 2.142857143Solution
x = {2.142857143, 2.142857143}
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