Question
Simplify the expression
−2x2
Evaluate
(4×−2x)x
Remove the parentheses
4×−2xx
Use b−a=−ba=−ba to rewrite the fraction
4(−2x)x
Any expression multiplied by 1 remains the same
−4×2xx
Solution
More Steps

Evaluate
4×2xx
Cancel out the common factor 2
2x×x
Multiply the terms
2x2
−2x2
Show Solution

Find the roots
x=0
Evaluate
(4×−2x)x
To find the roots of the expression,set the expression equal to 0
(4×−2x)x=0
Use b−a=−ba=−ba to rewrite the fraction
(4(−2x))x=0
Multiply the terms
More Steps

Evaluate
4(−2x)
Multiplying or dividing an odd number of negative terms equals a negative
−4×2x
Cancel out the common factor 2
−2x
(−2x)x=0
Remove the parentheses
−2x×x=0
Multiply the terms
−2x2=0
Change the signs on both sides of the equation
2x2=0
Rewrite the expression
x2=0
Solution
x=0
Show Solution
