Question

factorise x+3x+x^2


please tell full answer​

Answer 1

Answer:

(x2 + 1)(x-3)

Step-by-step explanation:

x3 - 3x² + x - 3

= x2 (x – 3) + 1(x – 3)

= (x + 1)(x - 3)

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Answer 2

Hope it helps!!!!!!

x+4=0

x = -4