Question

X2-5x-14=0
A=1 B=-5C=-14

Answer 1

x = -2 or 7

Explanation:

x² - 5x - 14 = 0

x² - 7x + 2x - 14 = 0

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

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

x = -2 or 7

Answer 2

x²+5x-10=0

x²+(2-7)x-10=0

x²+2x-7x-10=0

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

=x+2=0

=x=-2

=x-7=0

=x=7

hope may be right.....

Explanation: