There is no answer because there is no specific question.
The expression can be factorised, or if given v or q it can be evaluated.
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Assuming that the numbers immediately succeeding each "v" in the expression are intended to be exponents, in this type of problem only the coefficients of those terms with the same exponents can be added. Therefore in the sum, the coefficient of "v" will be (3 + 15 - 14) = 4; the coefficient of "v2" will be (-11 + 5) = -6; and the coefficient of "v3" will be (8 - 4) = 4. The final answer is therefore 4 v3 - 6 v2 + 4 v.
If that's v3 + 8v, the answer is v(v2 + 8)
All that can be said, based on the available information is: t + v2
You don't. You solve it. u - v^2 - u + v^2 = 0
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