Algebra
Calculus
Trigonometry
Matrix
Question
21x−31x
Simplify the expression
61x
Evaluate
21x−31x
Collect like terms by calculating the sum or difference of their coefficients
(21−31)x
Solution
More Steps
Evaluate
21−31
Reduce fractions to a common denominator
2×33−3×22
Multiply the numbers
63−3×22
Multiply the numbers
63−62
Write all numerators above the common denominator
63−2
Subtract the numbers
61
61x
Show Solution
Find the roots
x=0
Evaluate
21x−31x
To find the roots of the expression,set the expression equal to 0
21x−31x=0
Subtract the terms
More Steps
Simplify
21x−31x
Collect like terms by calculating the sum or difference of their coefficients
(21−31)x
Subtract the numbers
More Steps
Evaluate
21−31
Reduce fractions to a common denominator
2×33−3×22
Multiply the numbers
63−3×22
Multiply the numbers
63−62
Write all numerators above the common denominator
63−2
Subtract the numbers
61
61x
61x=0
Solution
x=0
Show Solution