150k views
4 votes
Which products result in a difference of squares or a perfect square trinomial? Check all that apply.

(5x + 3)(5x - 3)
(7x + 4)(7x + 4)
(2x + 1)(x + 2)
(4x – 6)(x + 8)
(x – 9)(x – 9)
(-3x - 6)(-3x + 6)

2 Answers

4 votes
All you need to do is convert all equations into standard form by using the distributive property on each equation.
User Mark Unwin
by
3.1k points
0 votes

Answer:

A (5x + 3)(5x – 3)

B (7x + 4)(7x + 4)

E (x – 9)(x – 9)

F (–3x – 6)(–3x + 6)

in other words, A,B,E, and F on edge-nuity. just completed with 100%

Explanation:

User Mike Clagg
by
2.9k points