Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
−21x−41
Evaluate
−41x−41x−41
Solution
More Steps
Evaluate
−41x−41x
Collect like terms by calculating the sum or difference of their coefficients
(−41−41)x
Subtract the numbers
More Steps
Evaluate
−41−41
Write all numerators above the common denominator
4−1−1
Subtract the numbers
4−2
Cancel out the common factor 2
2−1
Use b−a=−ba=−ba to rewrite the fraction
−21
−21x
−21x−41
Show Solution
Factor the expression
−41(2x+1)
Evaluate
−41x−41x−41
Subtract the terms
More Steps
Evaluate
−41x−41x
Collect like terms by calculating the sum or difference of their coefficients
(−41−41)x
Subtract the numbers
More Steps
Evaluate
−41−41
Write all numerators above the common denominator
4−1−1
Subtract the numbers
4−2
Cancel out the common factor 2
2−1
Use b−a=−ba=−ba to rewrite the fraction
−21
−21x
−21x−41
Solution
−41(2x+1)
Show Solution
Find the roots
x=−21
Alternative Form
x=−0.5
Evaluate
−41x−41x−41
To find the roots of the expression,set the expression equal to 0
−41x−41x−41=0
Subtract the terms
More Steps
Simplify
−41x−41x
Collect like terms by calculating the sum or difference of their coefficients
(−41−41)x
Subtract the numbers
More Steps
Evaluate
−41−41
Write all numerators above the common denominator
4−1−1
Subtract the numbers
4−2
Cancel out the common factor 2
2−1
Use b−a=−ba=−ba to rewrite the fraction
−21
−21x
−21x−41=0
Move the constant to the right-hand side and change its sign
−21x=0+41
Add the terms
−21x=41
Change the signs on both sides of the equation
21x=−41
Multiply by the reciprocal
21x×2=−41×2
Multiply
x=−41×2
Solution
More Steps
Evaluate
−41×2
Reduce the numbers
−21×1
Multiply the numbers
−21
x=−21
Alternative Form
x=−0.5
Show Solution