Page 49 - More Higher algebra

Rearrange,
2
3 − 5 + 2
Factorise to give,

(3 − 2)( − 1)
leaving

2
= and = 1
3
2

= and = 1
3
= ln(2/3) = −0.4055 = 0

These are the solutions of

−3 2 + 5 = 2

Confirm the result with the following keystrokes on

your fx calculator, let -0.4055 → M,
Cz0.4055=

z3qH2M$+5qHM=

Which confirms the result, the other solution is

obvious.

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