Basic Math Examples

Simplify 9r^2-(72r^2)÷2r^2-7r-72
Step 1
Simplify each term.
Tap for more steps...
Step 1.1
Rewrite the division as a fraction.
Step 1.2
Cancel the common factor of and .
Tap for more steps...
Step 1.2.1
Factor out of .
Step 1.2.2
Cancel the common factors.
Tap for more steps...
Step 1.2.2.1
Factor out of .
Step 1.2.2.2
Cancel the common factor.
Step 1.2.2.3
Rewrite the expression.
Step 1.3
Cancel the common factor of .
Tap for more steps...
Step 1.3.1
Cancel the common factor.
Step 1.3.2
Divide by .
Step 1.4
Multiply by .
Step 2
Subtract from .