Factorise x square - 5x -24
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Answered by
8
Answer:
x^2 - 5x - 24 = 0
x^2 -8x + 3x - 24 = 0
x(x - 8) + 3(x - 8) = 0
(x + 3)(x + 8) = 0
x = -3 , x = -8
Answered by
10
Step-by-step explanation:
x²-5x-24=0
=> x²-8x+3x-24=0
=> x(x-8) +3(x-8)=0
=> (x-8)(x+3)=0
=> (x-8)=0 or (x+3)=0
=> x=8 or x=-3 ✓
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