Question

the zeroes of the polynomial 2x^3-9x^2+x+12​

Answer 1

let x be -1

A/Q

put the value of x in p(x)

$2x {}^{3} - 9x {}^{2} + x + 12$

$2 \times ( - 1) ^{2} - 9 \times ( - 1) { }^{2} + ( - 1) + 12$

$(0)$

hence (x+1) is the zeros of polynomial