Answer:
a=1, b=-2,c=-1
Step-by-step explanation:
1*(x)+(-2)*y+(-1)*1. a=1, b=-2,c=-1
There are 2 ways you can do this:
2 and 85/100
<span>2 and 17/20
</span>Hope this helps!
Answer:
(-1, 3)
Step-by-step explanation:
y=5x+8
y= -4x-1
5x+8= -4x-1
5x+4x= -1-8
9x= -9
x= -1
y=5(-1)+8
y= -5+8
y= 3
(-1, 3)
Answer:
A.
B.
C.
Step-by-step explanation:
Part A. The expression 
consists of three terms: 
The first and the last terms are like terms, we can add them:
Now,
So,
Part B. The expression 
is a square of 
so
Part C. Use the difference of squares formula:
