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Simplifying z(2z + 3) = 2z2 + 3z + -7 Reorder the terms: z(3 + 2z) = 2z2 + 3z + -7 (3 * z + 2z * z) = 2z2 + 3z + -7 (3z + 2z2) = 2z2 + 3z + -7 Reorder the terms: 3z + 2z2 = -7 + 3z + 2z2 Add '-3z' to each side of the equation. 3z + -3z + 2z2 = -7 + 3z + -3z + 2z2 Combine like terms: 3z + -3z = 0 0 + 2z2 = -7 + 3z + -3z + 2z2 2z2 = -7 + 3z + -3z + 2z2 Combine like terms: 3z + -3z = 0 2z2 = -7 + 0 + 2z2 2z2 = -7 + 2z2 Add '-2z2' to each side of the equation. 2z2 + -2z2 = -7 + 2z2 + -2z2 Combine like terms: 2z2 + -2z2 = 0 0 = -7 + 2z2 + -2z2 Combine like terms: 2z2 + -2z2 = 0 0 = -7 + 0 0 = -7 Solving 0 = -7 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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