Question
Simplify the expression
400r8
Evaluate
(5r2×2r5)(5r×8)
Remove the parentheses
5r2×2r5×5r×8
Multiply the terms
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Evaluate
5×2×5×8
Multiply the terms
10×5×8
Multiply the terms
50×8
Multiply the numbers
400
400r2×r5×r
Multiply the terms with the same base by adding their exponents
400r2+5+1
Solution
400r8
Show Solution

Find the roots
r=0
Evaluate
(5r2×2r5)(5r×8)
To find the roots of the expression,set the expression equal to 0
(5r2×2r5)(5r×8)=0
Multiply
More Steps

Multiply the terms
5r2×2r5
Multiply the terms
10r2×r5
Multiply the terms with the same base by adding their exponents
10r2+5
Add the numbers
10r7
10r7(5r×8)=0
Multiply the terms
10r7×40r=0
Multiply the terms
More Steps

Evaluate
10r7×40r
Multiply the numbers
400r7×r
Multiply the terms
More Steps

Evaluate
r7×r
Use the product rule an×am=an+m to simplify the expression
r7+1
Add the numbers
r8
400r8
400r8=0
Rewrite the expression
r8=0
Solution
r=0
Show Solution
