Question

4. Simplify:
(i) (x2 + 3) (x – 3) +9
(ii) (x + 3) (x – 3) (x + 4) (x - 4)
(iii) (x + 5) (x + 6) (x + 7)
(iv) (p +9 - 2r) (2p - q + r) - 496
(v) (p + 9) (r + s) + (p - 9) (r – s) – 2 (pr + qs)
(vi) (x + y + z) (x – y + 2) + (x + y – z) (-x + y + z) – 4zx
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Answer 1

Answer:

you have to multiply 0 with 1 you get your answer easily

Answer 2

Answer:

answer is be very big.

there is steps for each