Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
12r249
Evaluate
30245÷(r2×2)
Cancel out the common factor 5
649÷(r2×2)
Use the commutative property to reorder the terms
649÷2r2
Multiply by the reciprocal
649×2r21
Multiply the terms
6×2r249
Solution
12r249
Show Solution
Find the excluded values
r=0
Evaluate
30245÷(r2×2)
To find the excluded values,set the denominators equal to 0
r2×2=0
Use the commutative property to reorder the terms
2r2=0
Rewrite the expression
r2=0
Solution
r=0
Show Solution
Find the roots
r∈∅
Evaluate
30245÷(r2×2)
To find the roots of the expression,set the expression equal to 0
30245÷(r2×2)=0
Find the domain
More Steps
Evaluate
r2×2=0
Use the commutative property to reorder the terms
2r2=0
Rewrite the expression
r2=0
The only way a power can not be 0 is when the base not equals 0
r=0
30245÷(r2×2)=0,r=0
Calculate
30245÷(r2×2)=0
Cancel out the common factor 5
649÷(r2×2)=0
Use the commutative property to reorder the terms
649÷2r2=0
Divide the terms
More Steps
Evaluate
649÷2r2
Multiply by the reciprocal
649×2r21
Multiply the terms
6×2r249
Multiply the terms
12r249
12r249=0
Cross multiply
49=12r2×0
Simplify the equation
49=0
Solution
r∈∅
Show Solution