Question
Simplify the expression
−5x2
Evaluate
(10×−2x)x
Remove the parentheses
10×−2xx
Use b−a=−ba=−ba to rewrite the fraction
10(−2x)x
Any expression multiplied by 1 remains the same
−10×2xx
Solution
More Steps

Evaluate
10×2xx
Cancel out the common factor 2
5x×x
Multiply the terms
5x2
−5x2
Show Solution

Find the roots
x=0
Evaluate
(10×−2x)x
To find the roots of the expression,set the expression equal to 0
(10×−2x)x=0
Use b−a=−ba=−ba to rewrite the fraction
(10(−2x))x=0
Multiply the terms
More Steps

Evaluate
10(−2x)
Multiplying or dividing an odd number of negative terms equals a negative
−10×2x
Cancel out the common factor 2
−5x
(−5x)x=0
Remove the parentheses
−5x×x=0
Multiply the terms
−5x2=0
Change the signs on both sides of the equation
5x2=0
Rewrite the expression
x2=0
Solution
x=0
Show Solution
