Question
Simplify the expression
Solution
15z4
Evaluate
5z2×5z2−10z3×z
Multiply
More Steps

Multiply the terms
5z2×5z2
Multiply the terms
25z2×z2
Multiply the terms with the same base by adding their exponents
25z2+2
Add the numbers
25z4
25z4−10z3×z
Multiply
More Steps

Multiply the terms
10z3×z
Multiply the terms with the same base by adding their exponents
10z3+1
Add the numbers
10z4
25z4−10z4
Collect like terms by calculating the sum or difference of their coefficients
(25−10)z4
Solution
15z4
Show Solution
Find the roots
Find the roots of the algebra expression
z=0
Evaluate
5z2×5z2−10z3×z
To find the roots of the expression,set the expression equal to 0
5z2×5z2−10z3×z=0
Multiply
More Steps

Multiply the terms
5z2×5z2
Multiply the terms
25z2×z2
Multiply the terms with the same base by adding their exponents
25z2+2
Add the numbers
25z4
25z4−10z3×z=0
Multiply
More Steps

Multiply the terms
10z3×z
Multiply the terms with the same base by adding their exponents
10z3+1
Add the numbers
10z4
25z4−10z4=0
Subtract the terms
More Steps

Simplify
25z4−10z4
Collect like terms by calculating the sum or difference of their coefficients
(25−10)z4
Subtract the numbers
15z4
15z4=0
Rewrite the expression
z4=0
Solution
z=0
Show Solution