Question

EXERCISE 12
4.
+
5.
3)(23)
1. Use direct method to evaluate the following
products :
(i) (X + 8) (x + 3) (ii) (y + 5) (y - 3)
(iii) (a - 8) (a + 2) (iv) (6-3) (6-5)
() (3x – 2y) (2x + y) (vi) (5a + 16) (3a - 7)
(vii) (8-b) (3 + b)
2. Use direct method to evaluate :
(i) (x + 1) (x - 1) (i) (2 + a) (2-a)
(ii) (3b - 1) (3b + 1) (iv) (4 + 5x) (4 - 5x)
(v) (2a + 3) (2a - 3) (vi) (xy + 4) (xy - 4)
vii) (ab + x2) (ab - x2)
(viii) (3x2 + 5y2) (3x2 - 5y)
2 2
(ix)
3
3
(x)
2
(xi) (0.5-2a) (0-5 + 2a)
b
a
b
(xii)
+
3
a
2
3. Evaluate :
(i) (a + 1) (a - 1) (a + 1)
(ii) (a + b) (a - b)(a + b2)​

Answer 1

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Answer 2

Answer:

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