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Simplifying 49x2 + 70x + -11 = 0 Reorder the terms: -11 + 70x + 49x2 = 0 Solving -11 + 70x + 49x2 = 0 Solving for variable 'x'. Factor a trinomial. (-11 + -7x)(1 + -7x) = 0Subproblem 1
Set the factor '(-11 + -7x)' equal to zero and attempt to solve: Simplifying -11 + -7x = 0 Solving -11 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + -7x = 0 + 11 Combine like terms: -11 + 11 = 0 0 + -7x = 0 + 11 -7x = 0 + 11 Combine like terms: 0 + 11 = 11 -7x = 11 Divide each side by '-7'. x = -1.571428571 Simplifying x = -1.571428571Subproblem 2
Set the factor '(1 + -7x)' equal to zero and attempt to solve: Simplifying 1 + -7x = 0 Solving 1 + -7x = 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 + -7x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -7x = 0 + -1 -7x = 0 + -1 Combine like terms: 0 + -1 = -1 -7x = -1 Divide each side by '-7'. x = 0.1428571429 Simplifying x = 0.1428571429Solution
x = {-1.571428571, 0.1428571429}
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