Question

Evaluate the expression:    

$$-3(x^4 + 2x^2 - 8x + 9) + 4(x^5 - 3x^4 - 6x^3 + 4x)$$

Accepted Answer

$$4x^5 - 15x^4 - 24x^3 - 6x^2 + 40x - 27$$

Answer

$$x^5 - 12x^4 - 24x^3 - 6x^2 + 16x - 27$$

Answer

$$4x^5 - 15x^4 - 20x^3 - 5x^2 + 16x - 27$$

Answer

$$4x^5 - 15x^4 - 24x^3 - 6x^2 + 8x - 27$$

Question 13 - Math Practice Test for the PERT