Fsc Part 1 Mathematics (Complete Solution)
Q6
simplify by justifying each step
(i) |
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SOLUTION:
= | (4 + 16x) X |
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= | (4 x 1 + 4 x 4x) x |
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= | (4 x 1 + 4 x 4x) x |
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(Multiplicative identity) |
= |
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x 4 | (1 + 4x) | (Distributive Property) |
= 1 x (1 + 4x) (Multiplicative inverse)
= 1 + 4x (Multiplicative identity)