**Question:**a) -9/11x

b) s^3-5s/s^2-16

2. Simplify by removing factors of 1.

a) 405u^6x^8/75u^2x^5

b) t^2-1/t^2-2t+1

c) 10y^2-250/4y^2-100

3. Multiply and simplify

7z^3/3p^3 * 9p^7/49z

4. Multipy and simplify

w^2-3w-10 / w^2-4w +4 * w-2/w-5

**Answers:**

1.

a) 0 (look at the denominator)

b) 4, -4

2.

a)27u^4x^3/5

b)t+1/t-1

c) 5/2

3.

3p^4z^2/7

4.

w+2*w-2/w^2-4w+4*w-5

Post these under the mathematics section next time

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