Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
78r19
Evaluate
65285÷(r×18)
Cancel out the common factor 5
1357÷(r×18)
Use the commutative property to reorder the terms
1357÷18r
Multiply by the reciprocal
1357×18r1
Cancel out the common factor 3
1319×6r1
Multiply the terms
13×6r19
Solution
78r19
Show Solution
Find the excluded values
r=0
Evaluate
65285÷(r×18)
To find the excluded values,set the denominators equal to 0
r×18=0
Use the commutative property to reorder the terms
18r=0
Solution
r=0
Show Solution
Find the roots
r∈∅
Evaluate
65285÷(r×18)
To find the roots of the expression,set the expression equal to 0
65285÷(r×18)=0
Find the domain
More Steps
Evaluate
r×18=0
Use the commutative property to reorder the terms
18r=0
Rewrite the expression
r=0
65285÷(r×18)=0,r=0
Calculate
65285÷(r×18)=0
Cancel out the common factor 5
1357÷(r×18)=0
Use the commutative property to reorder the terms
1357÷18r=0
Divide the terms
More Steps
Evaluate
1357÷18r
Multiply by the reciprocal
1357×18r1
Cancel out the common factor 3
1319×6r1
Multiply the terms
13×6r19
Multiply the terms
78r19
78r19=0
Cross multiply
19=78r×0
Simplify the equation
19=0
Solution
r∈∅
Show Solution