Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
−85x
Evaluate
−2x−8x
Reduce fractions to a common denominator
−2×4x×4−8x
Multiply the numbers
−8x×4−8x
Write all numerators above the common denominator
8−x×4−x
Use the commutative property to reorder the terms
8−4x−x
Subtract the terms
More Steps
Evaluate
−4x−x
Collect like terms by calculating the sum or difference of their coefficients
(−4−1)x
Subtract the numbers
−5x
8−5x
Solution
−85x
Show Solution
Find the roots
x=0
Evaluate
−2x−8x
To find the roots of the expression,set the expression equal to 0
−2x−8x=0
Subtract the terms
More Steps
Simplify
−2x−8x
Reduce fractions to a common denominator
−2×4x×4−8x
Multiply the numbers
−8x×4−8x
Write all numerators above the common denominator
8−x×4−x
Use the commutative property to reorder the terms
8−4x−x
Subtract the terms
More Steps
Evaluate
−4x−x
Collect like terms by calculating the sum or difference of their coefficients
(−4−1)x
Subtract the numbers
−5x
8−5x
Use b−a=−ba=−ba to rewrite the fraction
−85x
−85x=0
Simplify
−5x=0
Change the signs on both sides of the equation
5x=0
Solution
x=0
Show Solution