please show the indicated question.

My apologies, I'm not sure why the copy paste did not take.

(-4 + x^2 - 3x) + (5x - 3 + x^3) + (-4x + 3 + 6x^3)

=-4+x^2-3x+5x-3+x^3-4x+3+6x^3

=7x^3+x^2-2x-4

do i have to solve for x

No, thank you. May I ask, so I may learn, do exponents remain the same or are they added?

exponents are added when variables are multiplied

but here variables with different exponents are added

so keep as it is.

Thank you

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