Question

Determine whether x = - 6 is the root of following quadratic equation x² + 5x – 6 =0

Answer 1

Step-by-step explanation:

x²-5x +6

=x²-3x-2x+6

= x(x-3)-2(x-3)

=(x-3)(x-2)

roots are 2 and 3

hope it helps you

Answer 2

Answer:

x

2

+5x−6=0

Using the factors of 6=6×1

x

2

+6x−x−6=0

x(x+6)−1(x+6)=0

(x−1)(x+6)=0

∴x−1=0 and x+6=0

x=1,x=−6