Question

1
3
4
19. 3 (2x -
(2x - 1) -
(2x + 1) =
4
5
2x + 1
21.
2x -1
3x - 2
3x + 2
x-2 1-2x
23.
2 + 3x?
x² - 16
X +4
X-4
25.
X X + 1 x + 3
+
+
= 16
2 3 4​

Answer 1

Answer:

what's this

Step-by-step explanation:

sorry I can't understand

Answer 2

Answer:

pls write the question in proper manner

x²-16

(x+4)(x-4)