Solve 3(x^2 2x-3)-4(4x^2-7x^5)

Evaluate

3 (x^{2} \times 2 x - 3) - 4 (4 x^{2} - 7 x^{5})

Multiply

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3 (2 x^{3} - 3) - 4 (4 x^{2} - 7 x^{5})

Expand the expression

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6 x^{3} - 9 - 4 (4 x^{2} - 7 x^{5})

Solution

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6 x^{3} - 9 - 16 x^{2} + 28 x^{5}

Simplify the expression