Question

12x-[3x3+5x2-{7x2-(4-3x-x3)+6x3}-3x]

Answer 1

1

47467, Engineering, SolidWorks — CosmoWorks — Ansys —

Question 12x-[3x3+5x2-7x2-(4-3x-x3)+6x3-3x]

Solution

$$\begin{array}{l} 12x - \left[3x^3 + 5x^2 - 7x^2 - (4 - 3x - x^3) + 6x^3 - 3x\right] = \\ = 12x - 3x^3 - 5x^2 + 7x^2 - 4 + 3x + x^3 + 6x^3 + 3x = 4x^3 + 2x^2 + 18x - 4 \end{array}$$

https://www.assignmentexpert.com/