Question

4. Find each of the following products:
(i) (x+3)(x-3)
(ii) (2x+5)(2x-5)
3
(iv) (7x +1ly)(7x-lly) (v) 5x2+
(iii) (8 + x)(8 - x)
4x 5y
(vi)
5 3
4x 5y
3
+
2
)
6
5x2
y
5
4
4
3
3
3
1
(vii)
1
1
(ix) 2a +
2a-
X+
de
6
3
(viii)
X
6+4
b
b
х
y
5. Using the
evaluate the following:​

Answer 1

......................................................may be it be wrong

Answer 2

Answer:

1.$x^{2} -9$

2.$4x^{2}-25$