Question

find the factor of polynomial. x²-x-20​

Answer 1

HERE IS UR ANSWER DEAR,

x² - x -20 = 0

x² + ( -5 + 4 ) x - 20 = 0

x² - 5x + 4x - 20 = 0

x ( x -5 ) + 4 (x - 5 ) = 0

(x-5 ) ( x +4) = 0

factors of polynomial

x -5= 0

x = 5

x + 4 = 0

x = -4

zeros of polynomial