Answer:
49
Step-by-step explanation:
(-7)² = (-7)(-7) = 49
Answer:
One solution
Step-by-step explanation:
we have
---> equation A
---> equation B
Solve the system by graphing
Remember that the solution of the system is the intersection point both graphs
using a graphing tool
there's only one point of intersection
so
The solution is the point (0,4)
see the attached figure
therefore
The system of equations has only one solution
Answer:
show stage and back stage
Step-by-step explanation:
Answer:14:8,21:12 , 28,16
Step-by-step explanation:
(x - 3)^2
(x - 3) * (x - 3)
x^2 - 3x
+ -3x + 9
x^2 - 6x + 9