Question

if x = -3 and x = -2 are teo zeros of the polynomial 2x⁴+10x³+7x²- 25x - 30 . the find the other two zeros​

Answer 1

equation = 2x⁴+10x³+7x²-25x-30

roots are = -3,-2

equation of roots = x+3,x+2

combined equation of roots = x²+5x+6

divide the given equation with combined equation of roots by long division method.

the resultant equation will be 2x²-5

roots of the resultant equation = ±√5/2

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