Question
Simplify the expression
−420c2
Evaluate
42(−c)×2×5c
Any expression multiplied by 1 remains the same
−42c×2×5c
Multiply the terms
More Steps

Evaluate
42×2×5
Multiply the terms
84×5
Multiply the numbers
420
−420c×c
Solution
−420c2
Show Solution

Find the roots
c=0
Evaluate
42(−c)×2(5c)
To find the roots of the expression,set the expression equal to 0
42(−c)×2(5c)=0
Multiply the terms
42(−c)×2×5c=0
Multiply
More Steps

Multiply the terms
42(−c)×2×5c
Any expression multiplied by 1 remains the same
−42c×2×5c
Multiply the terms
More Steps

Evaluate
42×2×5
Multiply the terms
84×5
Multiply the numbers
420
−420c×c
Multiply the terms
−420c2
−420c2=0
Change the signs on both sides of the equation
420c2=0
Rewrite the expression
c2=0
Solution
c=0
Show Solution
