Gaya spends $$\(\$ 48\)$$ to buy books that cost $$\(\$ x\)$$ each. Solve by factorisation. $$\[ x^{2}+5 x-24=0 \]$$ x=.............. or x= ...............
Exam No：0580_m21_qp_42 Year：2021 Question No：11(c)
Answer:
\( (x-3)(x+8) \)
3 and -8
3 and -8
Knowledge points:
E2.5.4 Derive and solve quadratic equations by factorisation, completing the square and by use of the formula.
Solution:
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