Question

what must be added to 4 - 3x + 9x2 to get 3 - 4x2 - x3​

Answer 1

Step-by-step explanation:

let Z add in this

so

Z+4-3x+9x^2= 3-4x^2-x^3

z=3-4x^2-x^3-4+3x-9x^2

Z=-x^3-13x^2-1

mark as brilliant

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