Question

If 4 is zero of the cubic polynomial x3 - 3x2 - 10x + 24 find its other two zeros

Answer 1

Answer:

if x=4

then (x-4) =0

divide the given polynomial in the question by (x-4)...........

= x^2+x-6

now split up the polynomial (x^2+x-6)

= x^2+3x-2x-6=0

= x(x+3)-2(x+3)=0

= (x-2)(x+3)=0

if (x-2) = 0

then, x = 2

if (x+3) = 0

then x = -3

..............................Hope it helps u..................................

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