Bradford T. answered 10/18/21
Tutor
4.9
(29)
Retired Engineer / Upper level math instructor
f(x) = (x+4)(x+1)(x-2)(x-3)
= (x2+5x+4)(x2-5x+6)
= x4-5x3+6x2+5x3-25x2+30x+4x2-20x+24
= x4-15x2+10x+24
Ahmed A.
asked 10/18/21
Bradford T. answered 10/18/21
Retired Engineer / Upper level math instructor
f(x) = (x+4)(x+1)(x-2)(x-3)
= (x2+5x+4)(x2-5x+6)
= x4-5x3+6x2+5x3-25x2+30x+4x2-20x+24
= x4-15x2+10x+24
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