Question

help just answers please :)


Question 21

Simplify (x + 3)(x2 + 4x – 2)

A) x3 + 1x2 + 10x – 6
B) x3 + 1x2 + 10x – 6
C) x3 + 7x2 + 14x – 6
D) x3 + 7x2 + 10x – 6

Question 22

Factor completely. 16x2 – 4

A) 4(2x – 1)(2x + 1)
B) 4(2x – 1)(2x – 1)
C) 2(2x + 1)2
D) 2(2x – 1)2

Question 23

Which expression is a factor of 2xy + 6x – 3y – 9?

A) y – 3
B) 2y + 3
C) 2x – 3
D) x – 2

Answer 1

21 is d

Answer 2

22 is a

Answer 3

ok thanks :)

Answer 4

you have 23?

Answer 5

23 is c