1. Do the operations and simplify.
(a^-2b^3)/(x^-8y) . (a^6b^2)/(x^8y^4)
2. Do the operations and simplify.
(x^2 + 8x + 16)/(x) . (x^2 - 4x)/(x^2 - 16)
3. Do the operations and simplify.
(a + 5)/(25 - a^2) . (5a - 25)/(5a + 25)
4. Simplify the expression.
(x2 - 36)/(x^2 - 64) ÷ (x + 6)/(x - 8)
5. Simplify the cube root.
^3√[8a^30b^21]
6. Simplify and combine like radicals . All variables represent positive numbers.
8^5√[3y] - 2^5√[3y]
7. Simplify and combine like radicals.
√[45] - √[245]
8. Multiply and simplify the result.
√[125b] and √[5b^3n]
9. Multiply and simplify the result.
3√[2](9√[6] + 3√[5])
10. Simplify the expression by rationalizing the denominator.
√[3/7]
This is a series of problems involving performing operations on polynomials and radicals.