kenzieeee9 kenzieeee9
  • 12-04-2019
  • Mathematics
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What is the volume of the box expressed as a polynomial use the formula v= lwh. X+3 5x-4 2x-1

What is the volume of the box expressed as a polynomial use the formula v lwh X3 5x4 2x1 class=

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queenmimi218 queenmimi218
  • 13-04-2019

(x+3)(5x-4)(2x-1)

multiply the first two by foil method

F x × 5x =5x²

O -4 × x =-4x

I 3 x 5x =15x

L 3 × -4 =-12

(5x²+11x-12)(2x-1) distribute

2x(5x²+11x-12)=10x³+22x²-24x

-1(5x²+11x-12)=-5x²-11x+12

combine like terms

10x³+22x²-5x²-24x-11x+12

Answer: 10x³+17x²-35x+12

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