Solve simultaneous linear equations:
(i) 15(2x – 3)3 – 10(2x – 3)
(ii) a(b – c) (b + c) – d(c – b)
Solution:
(i) 15(2x – 3)3 – 10(2x – 3)
Take out common in both terms,
Then, 5(2x – 3) [3(2x – 3)2 – 2]
(ii) a(b – c) (b + c) – d(c – b)
a(b – c) (b + c) – d(c – b)
Above terms can be written as,
a(b – c) (b + c) + d(b – c)
Take out common in both terms,
(b – c) [a(b + c) + d]
(b – c) (ab + ac + d)
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