Question

X cube minus 3 X square + 4 x minus 12 factorise this

Answer 1

Answer:

x = 3 or 2i.

Step-by-step explanation:

x³ - 3x² + 4x - 12 = 0

x²(x-3) + 4(x-3) = 0

(x-3)(x²+4) = 0

x - 3 = 0;  x² + 4 = 0

x = 3 = 0, x² = -4

x = 3 ; x = 2i.

Answer 2

Answer:

ok

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