Answer:
x²+8x-65=0
Step-by-step explanation:
The equation to be used is
A=side²
The increased side = X
(4+x)² =81
x² +4x+4x=16=81
x²+8x+16-81=0
x²+8x-65=0
-2 and 14.
-2 * 14 = -28
-2 + 14 = 12
Answer:
Step-by-step explanation:
center(-7,0)
radius= radical 119
Noice Brainy is good becuase it gives answers out for free but there is a limit sometimes
Answer:
m= - 3/6
Step-by-step explanation: