solve m^2-5m-24=0 by factorisation method
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Answer:
m²-5m-24=0
=> m²-8m+3m-24=0
=> m(m-8)+3(m-8) = 0
=> (m+3)(m-8) = 0
=> m+3 = 0 and m-8 = 0
=> m = -3,8
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