Question

Find the zeroes of the quadratic polynomial x*2-x-12

Answer 1

-3is your answer of x*2-x-12

Answer 2

$x^{2}$ - x - 12
$x^{2}$ - 4x + 3x - 12
x ( x - 4 ) + 3 ( x - 4 )
( x - 4 )(x - 3 ) = 0
x = 4 or x = 3 Ans.