Sagot :
Answer:
X¹ = -2 , X² = 5
Step-by-step explanation:
x² -3x-10=0
factor.
x² +2x-5x-10=0
factor the whole expression.
x(x+2)-5(x+2)=0
separate into possible cases.
(x+2)(x-5)=0
then solve the equations.
x+2=0
x-5=0
the answer will be:
x = -2
x = 5