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Simplifying 6z(z + 3) = 6z2 + 18z + -2 Reorder the terms: 6z(3 + z) = 6z2 + 18z + -2 (3 * 6z + z * 6z) = 6z2 + 18z + -2 (18z + 6z2) = 6z2 + 18z + -2 Reorder the terms: 18z + 6z2 = -2 + 18z + 6z2 Add '-18z' to each side of the equation. 18z + -18z + 6z2 = -2 + 18z + -18z + 6z2 Combine like terms: 18z + -18z = 0 0 + 6z2 = -2 + 18z + -18z + 6z2 6z2 = -2 + 18z + -18z + 6z2 Combine like terms: 18z + -18z = 0 6z2 = -2 + 0 + 6z2 6z2 = -2 + 6z2 Add '-6z2' to each side of the equation. 6z2 + -6z2 = -2 + 6z2 + -6z2 Combine like terms: 6z2 + -6z2 = 0 0 = -2 + 6z2 + -6z2 Combine like terms: 6z2 + -6z2 = 0 0 = -2 + 0 0 = -2 Solving 0 = -2 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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