Solve (2z-3x-1)^2-4(3x^2 z^2-3z-z)

Evaluate

(2 z - 3 x - 1)^{2} - 4 (3 x^{2} z^{2} - 3 z - z)

Subtract the terms

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(2 z - 3 x - 1)^{2} - 4 (3 x^{2} z^{2} - 4 z)

Expand the expression

4 z^{2} - 12 z x - 4 z + 9 x^{2} + 6 x + 1 - 4 (3 x^{2} z^{2} - 4 z)

Expand the expression

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4 z^{2} - 12 z x - 4 z + 9 x^{2} + 6 x + 1 - 12 x^{2} z^{2} + 16 z

Solution

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4 z^{2} - 12 z x + 12 z + 9 x^{2} + 6 x + 1 - 12 x^{2} z^{2}

Simplify the expression