Question

simplify:-
(i) (x^2+3)(x-3)+9
(ii) (x+3)(x-3)(x+4)(x-4)
(iii) (x+5)(x+6)(x+7)
(iv) (p+q-2r)(2p-q+r)-4qr
(v) (p+q)(r+s)+(p-q) (r-s) -2(pr+qs)
(vi) (x+y+z)(x-y+z)+(x+y-z) (-x+y+z)-4zx​

Answer 1

Answer:

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