Which expression is equal to the polynomial below? 2x4 + 5x3 – 8x – 20 x3(2x + 5) + 4(2x – 5)

x3(2x + 5) – 4(2x + 5)

x3(2x – 5) – 4(2x – 5)

x3(2x + 5) + 4(2x + 5)

I'm confused on this could anyone me and show me what i need to do to solve it.

What is the area of the shaded sector?

3questions show how you solved the problem 1. subtract & simplify (–y2 – 4y – 8) – (–4y2 – 6y + 3) 2.multiply and simplify 2x2y3z2 · 4xy4x2 3.multiply and simplify (x – 4) (x2 – 5x – 6)