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Simplifying V = (2x + -15)(2x + -20)(x) Reorder the terms: V = (-15 + 2x)(2x + -20)(x) Reorder the terms: V = (-15 + 2x)(-20 + 2x)(x) Reorder the terms for easier multiplication: V = x(-15 + 2x)(-20 + 2x) Multiply (-15 + 2x) * (-20 + 2x) V = x(-15(-20 + 2x) + 2x * (-20 + 2x)) V = x((-20 * -15 + 2x * -15) + 2x * (-20 + 2x)) V = x((300 + -30x) + 2x * (-20 + 2x)) V = x(300 + -30x + (-20 * 2x + 2x * 2x)) V = x(300 + -30x + (-40x + 4x2)) Combine like terms: -30x + -40x = -70x V = x(300 + -70x + 4x2) V = (300 * x + -70x * x + 4x2 * x) V = (300x + -70x2 + 4x3) Solving V = 300x + -70x2 + 4x3 Solving for variable 'V'. Move all terms containing V to the left, all other terms to the right. Simplifying V = 300x + -70x2 + 4x3
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