Question
Simplify the expression
210r−210
Evaluate
r÷7÷30−1
Rewrite the expression
7r÷30−1
Divide the terms
More Steps

Evaluate
7r÷30
Multiply by the reciprocal
7r×301
Multiply the terms
7×30r
Multiply the terms
210r
210r−1
Reduce fractions to a common denominator
210r−210210
Solution
210r−210
Show Solution

Find the roots
r=210
Evaluate
r÷7÷30−1
To find the roots of the expression,set the expression equal to 0
r÷7÷30−1=0
Rewrite the expression
7r÷30−1=0
Divide the terms
More Steps

Evaluate
7r÷30
Multiply by the reciprocal
7r×301
Multiply the terms
7×30r
Multiply the terms
210r
210r−1=0
Subtract the terms
More Steps

Simplify
210r−1
Reduce fractions to a common denominator
210r−210210
Write all numerators above the common denominator
210r−210
210r−210=0
Simplify
r−210=0
Move the constant to the right side
r=0+210
Solution
r=210
Show Solution
