Pre- Calculus P Review

Exponents

100

(z²)(-z)-(-z)-z(-z²)+z(2z)

2z²+z

Evaluating

100

32^-3/5

1/8

200

-9^1/2

-3

Factor

100

6yz-3y-10z+5

(3y-5)(2z-1)

200

y²+7z+12

(y+6)(y-3)

300

x²-6x-27

(x+3)(x-9)

400

9x²-y²

(3x+y)(3x-y)

500

b³+1

(b+1)(b²-b+1)

Complex Numbers

100

(3-7i) + (-4 + 6i)

-1 -i

200

(-6-3i) - (3 - 2i)

-9 - i

300

(4-5i)²

-9-40i

400

(1-3i)(2+6i)

20

500

7-i(2-3i)²

-5+5i