FOIL
x^2+11x-9x-99
x^2+2x-99
Answer:
= 
Step-by-step explanation:
Using the rule of logarithms
x = n ⇒ x =
, thus
(
) = - 2, then
= 
Answer:
no
Step-by-step explanation:
5x(x+6)=-50
X(x+6)=-10
X square +6x=-10
(X+3) square=-10-9
(X+3) square=-19
So this equation has no solution