Question 162553
a) x^2+7x+10=0
(x+5)(x+2)=0
x+5=0
x=-5 answer.
x=2=0
x=-2 answer.
----------------------------
b) 3x^2-6x=0
3x(x-2)=0
3x=0
x=0 answer.
x-2=0
x=2 answer.