Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
23−3c
Evaluate
2−21−3c
Solution
More Steps
Evaluate
2−21
Reduce fractions to a common denominator
22×2−21
Write all numerators above the common denominator
22×2−1
Multiply the numbers
24−1
Subtract the numbers
23
23−3c
Show Solution
Factor the expression
23(1−2c)
Evaluate
2−21−3c
Subtract the numbers
More Steps
Evaluate
2−21
Reduce fractions to a common denominator
22×2−21
Write all numerators above the common denominator
22×2−1
Multiply the numbers
24−1
Subtract the numbers
23
23−3c
Solution
23(1−2c)
Show Solution
Find the roots
c=21
Alternative Form
c=0.5
Evaluate
2−21−3c
To find the roots of the expression,set the expression equal to 0
2−21−3c=0
Subtract the numbers
More Steps
Simplify
2−21
Reduce fractions to a common denominator
22×2−21
Write all numerators above the common denominator
22×2−1
Multiply the numbers
24−1
Subtract the numbers
23
23−3c=0
Move the constant to the right-hand side and change its sign
−3c=0−23
Removing 0 doesn't change the value,so remove it from the expression
−3c=−23
Change the signs on both sides of the equation
3c=23
Multiply by the reciprocal
3c×31=23×31
Multiply
c=23×31
Solution
More Steps
Evaluate
23×31
Reduce the numbers
21×1
Multiply the numbers
21
c=21
Alternative Form
c=0.5
Show Solution