Question
Simplify the expression
Solution
81y2−201y
Evaluate
(65y−31)(53×41y)
Remove the parentheses
(65y−31)×53×41y
Multiply the terms
More Steps

Evaluate
53×41
To multiply the fractions,multiply the numerators and denominators separately
5×43
Multiply the numbers
203
(65y−31)×203y
Multiply the terms
203y(65y−31)
Apply the distributive property
203y×65y−203y×31
Multiply the terms
More Steps

Evaluate
203y×65y
Multiply the numbers
More Steps

Evaluate
203×65
Reduce the numbers
201×25
Reduce the numbers
41×21
To multiply the fractions,multiply the numerators and denominators separately
4×21
Multiply the numbers
81
81y×y
Multiply the terms
81y2
81y2−203y×31
Solution
More Steps

Evaluate
203×31
Reduce the numbers
201×1
Multiply the numbers
201
81y2−201y
Show Solution
Factor the expression
Factor
401y(5y−2)
Evaluate
(65y−31)(53×41y)
Remove the parentheses
(65y−31)×53×41y
Multiply the terms
More Steps

Multiply the terms
53×41y
Multiply the terms
More Steps

Evaluate
53×41
To multiply the fractions,multiply the numerators and denominators separately
5×43
Multiply the numbers
203
203y
(65y−31)×203y
Multiply the terms
203y(65y−31)
Factor the expression
203y×61(5y−2)
Solution
401y(5y−2)
Show Solution
Find the roots
Find the roots of the algebra expression
y1=0,y2=52
Alternative Form
y1=0,y2=0.4
Evaluate
(65y−31)(53×41y)
To find the roots of the expression,set the expression equal to 0
(65y−31)(53×41y)=0
Multiply the terms
More Steps

Multiply the terms
53×41y
Multiply the terms
More Steps

Evaluate
53×41
To multiply the fractions,multiply the numerators and denominators separately
5×43
Multiply the numbers
203
203y
(65y−31)×203y=0
Multiply the terms
203y(65y−31)=0
Elimination the left coefficient
y(65y−31)=0
Separate the equation into 2 possible cases
y=065y−31=0
Solve the equation
More Steps

Evaluate
65y−31=0
Move the constant to the right-hand side and change its sign
65y=0+31
Add the terms
65y=31
Multiply by the reciprocal
65y×56=31×56
Multiply
y=31×56
Multiply
More Steps

Evaluate
31×56
Reduce the numbers
1×52
Multiply the numbers
52
y=52
y=0y=52
Solution
y1=0,y2=52
Alternative Form
y1=0,y2=0.4
Show Solution