Answer:
1)
2)
Multiply :
Apply Difference of Squares formula:
a = 5, b = -2
Answer:
There is only one solution.
Step-by-step explanation:
The two lines only cross once, so there is one solution.
If the lines did not cross at all, there would be no solutions.
If the lines crossed twice, then there would be two solutions.
If the lines were on top of one another, they would be the same line, and have an infinite amount of solutions.
Answer:
72
Step-by-step explanation:
Answer:5
Step-by-step explanation: