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Simplifying 3z(7z + 11) = 21z2 + 33z + -3 Reorder the terms: 3z(11 + 7z) = 21z2 + 33z + -3 (11 * 3z + 7z * 3z) = 21z2 + 33z + -3 (33z + 21z2) = 21z2 + 33z + -3 Reorder the terms: 33z + 21z2 = -3 + 33z + 21z2 Add '-33z' to each side of the equation. 33z + -33z + 21z2 = -3 + 33z + -33z + 21z2 Combine like terms: 33z + -33z = 0 0 + 21z2 = -3 + 33z + -33z + 21z2 21z2 = -3 + 33z + -33z + 21z2 Combine like terms: 33z + -33z = 0 21z2 = -3 + 0 + 21z2 21z2 = -3 + 21z2 Add '-21z2' to each side of the equation. 21z2 + -21z2 = -3 + 21z2 + -21z2 Combine like terms: 21z2 + -21z2 = 0 0 = -3 + 21z2 + -21z2 Combine like terms: 21z2 + -21z2 = 0 0 = -3 + 0 0 = -3 Solving 0 = -3 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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