The volume in cubic feet of a box can be expressed as (x)=x^3-6x^2+8x , or as the product of three linear factors with integer c oefficients. The width of the box is x-2. Factor the polynomial to find linear expressions for the height and the length. Show your work.
1 answer:
Volume of the vox: V(x)=x^3-6x^2+8x V(x)=W(x) H(x) L(x) Width: W(x)=x-2 Height: H(x)=? Length: L(x)=? Factoring the equation of Volume: V(x)=x^3-6x^2+8x Common factor x: V(x)=x(x^3/x-6x^2/x+8x/x) V(x)=x[x^(3-1)-6x^(2-1)+8] V(x)=x(x^2-6x+8) V(x)=x(x-2)(x-4) V(x)= W(x) H(x) L(x) We know that W(x)=x-2 Then we have two options for H(x) and L(x): 1) First option: L(x)=x and H(x)=x-4 or 2) Second option: L(x)=x-4 and H(x)=x
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