Answer:
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.....
Step-by-step explanation:
x = -2 or 7
x² - 5x - 14 = 0
x² - 7x + 2x - 14 = 0
x( x - 7) +2( x - 7) = 0
(x + 2)(x - 7) = 0
