Question

The zeroes of
the quadratic polynomial x2 +7x+12 are
(a) (-2,-5) (b) (-3,-4) (c) (2,5) (d) (3, 4)​

Answer 1

x² + 7x + 12

x² + 4x + 3x + 12

x(x + 4) + 3(x + 4)

(x + 3) (x + 4)

So,the zeroes of quadratic polynomial x² +7x + 12 are (-3 , -4)