The test statistic of z = 1.88 is obtained when testing the claim that p . a. Identify the hypothesis test as being​ two-tailed, left-tailed, or​ right-tailed.
b. Find the​ P-value.
c. Using a significance level of ​, should we reject or should we fail to reject ​?

- 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

take it another

i belive those are the ones that are under 90 degreese.