Question

find a cubic polynomial whose zeros are 3 ,5 and -2​

Answer 1

Answer:

Write the cubic polynomial function f(x) in expanded form with zeros -5, -3, and 1, given that f(-1) = -48 f (x) = Check Answer You can check your answer 3 more times before the question is locked.

Answer 2

Answer:

ax3 + bx2 + cx + d = x3 – (A + B + C)x2 + (AB + BC +CA)x + A*B*C = 0.

3x3+5x2+(-2)x+0=x3-(3+5-2)x2+(3*5+5*[-2]+[-2]*3)x+3*5*[-2]=0

3x3+5x2-2x=x3-6x2+(15-10-6)x-30

changing their sides;

3x3-x3+5x2+6x2-2x+x+30=0

= 2x3+11x2-x+30=0

their you go, hope it helps

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