Question
Simplify the expression
321r−28
Evaluate
r×81×41−28
Solution
More Steps

Evaluate
r×81×41
Multiply the terms
More Steps

Evaluate
81×41
To multiply the fractions,multiply the numerators and denominators separately
8×41
Multiply the numbers
321
r×321
Use the commutative property to reorder the terms
321r
321r−28
Show Solution

Factor the expression
321(r−896)
Evaluate
r×81×41−28
Multiply
More Steps

Evaluate
r×81×41
Multiply the terms
More Steps

Evaluate
81×41
To multiply the fractions,multiply the numerators and denominators separately
8×41
Multiply the numbers
321
r×321
Use the commutative property to reorder the terms
321r
321r−28
Solution
321(r−896)
Show Solution

Find the roots
r=896
Evaluate
r×81×41−28
To find the roots of the expression,set the expression equal to 0
r×81×41−28=0
Multiply
More Steps

Multiply the terms
r×81×41
Multiply the terms
More Steps

Evaluate
81×41
To multiply the fractions,multiply the numerators and denominators separately
8×41
Multiply the numbers
321
r×321
Use the commutative property to reorder the terms
321r
321r−28=0
Move the constant to the right-hand side and change its sign
321r=0+28
Removing 0 doesn't change the value,so remove it from the expression
321r=28
Multiply by the reciprocal
321r×32=28×32
Multiply
r=28×32
Solution
r=896
Show Solution
