The answer is 
.
Solution:
Use algebraic identity: 
For example: 
Given expression 
and 
.
To multiply these equations.
Combine like terms together.
Hence the answer is .
Solve for the first variable in one of the equations, then substitute the result into the other equation.
Point Form:
x= 1, y= -4
12.56 is less than 125.6 which could also be written as 12.56<125.6. 12.56 comes farther left on the number line and is of lesser value when compared to the number 125.6.
There’s no answer for that it just depends
