Question

15. The roots of the quadratic
equation X2+5x-14=0 is​

Answer 1

Answer:

(x-2) and (x+7) is the factor of X2+5x-14=0

so the roots are 2 and -7.

Answer 2

Answer:

x=7 or x=-2

Step-by-step explanation:

x2+5x-14=0

x2-7x+2x-14=0

x(x-7)+2(x+7)=0

(x-7)(x+2)=0

x-7=0. or x+2=0

x=7. or x=-2