If 1 + 1 2 = 2, then x = . a. 2 5 b. 5 2 c. 3 2 d. 2 3

- 2 + 10x³ - 21x² + 19x - 4

step-by-step explanation:

each term in the second factor is multiplied by each term in the first factor

x²(- 2x² + 4x - 1) - 3x(- 2x² + 4x - 1) + 4(- 2x² + 4x - 1) ← distribute

= - 2 + 4x³ - x² + 6x³ - 12x² + 3x -8x² + 16x - 4

collect like terms

= - 2 + 10x³ - 21x² + 19x - 4 ← in standard form

14

step-by-step explanation:

14 x 3 = 42

unless if u could do my questions, if not i wouldn't want to

if x = 1, then the answer is 3.5