Question

factorise x^4-5x^3-24x^2​

Answer 1

Answer:

x⁴-5x³-24x²

= x²(x²-5x-24)

= x²[x²-(8x-3x - 24]

= x²[x²-8x + 3x-24]

= x²[x(x-8)+3(x-8)]

= x²(x-8)(x+3)

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