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Simplifying -7x2 + -63 = 0 Reorder the terms: -63 + -7x2 = 0 Solving -63 + -7x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '63' to each side of the equation. -63 + 63 + -7x2 = 0 + 63 Combine like terms: -63 + 63 = 0 0 + -7x2 = 0 + 63 -7x2 = 0 + 63 Combine like terms: 0 + 63 = 63 -7x2 = 63 Divide each side by '-7'. x2 = -9 Simplifying x2 = -9 Reorder the terms: 9 + x2 = -9 + 9 Combine like terms: -9 + 9 = 0 9 + x2 = 0 The solution to this equation could not be determined.
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