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Simplifying x2 + -7x * 2x + -40 = 0 Reorder the terms for easier multiplication: x2 + -7 * 2x * x + -40 = 0 Multiply -7 * 2 x2 + -14x * x + -40 = 0 Multiply x * x x2 + -14x2 + -40 = 0 Reorder the terms: -40 + x2 + -14x2 = 0 Combine like terms: x2 + -14x2 = -13x2 -40 + -13x2 = 0 Solving -40 + -13x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '40' to each side of the equation. -40 + 40 + -13x2 = 0 + 40 Combine like terms: -40 + 40 = 0 0 + -13x2 = 0 + 40 -13x2 = 0 + 40 Combine like terms: 0 + 40 = 40 -13x2 = 40 Divide each side by '-13'. x2 = -3.076923077 Simplifying x2 = -3.076923077 Reorder the terms: 3.076923077 + x2 = -3.076923077 + 3.076923077 Combine like terms: -3.076923077 + 3.076923077 = 0.000000000 3.076923077 + x2 = 0.000000000 The solution to this equation could not be determined.
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