Answer:
The answer is simply 9x
Step-by-step explanation:
2x2=4-16+16x+80+0=2+7=9x
4(4x + 5)
4(4•7+5)
4(28+5)
4(33)
132
#1 is a pentagon.
It's regular, because all the sides are the same length.
#2 is a hexagon.
It's not regular, because the sides don't all have the same length.
Answer:
In algebra, we begin to see variables or letters that are used to represent numbers. An example of a mathematical expression with a variable is 2x + 3. In the expression 2x + 3, the coefficient of x is number 2, and it means 2 times x plus 3.
Answer:
Step-by-step explanation:
SOLVE FOR X
x∈R
SOLVE FOR Y
y∈R