Question: Solve. a. x 3 5x 2 4x + 20 = 0 b. x 3 + 5x 2 17x 21 = 0

Solve.

a. x3 − 5x2 − 4x + 20 = 0 

b. x3 + 5x2 − 17x − 21 = 0

c. 2x3 − 5x2 − 13x + 30 = 0 

d. 3x3 + 17x2 + 18x − 8 = 0

e. x4 + 2x3 − 7x2 − 8x + 12 = 0

f. 2x4 − 11x3 + 12x2 + x − 4 = 0

Step by Step Solution

3.26 Rating (172 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

a We can use synthetic division to factor the polynomial x3 5x2 4x 20 2 1 5 4 20 2 6 20 1 3 10 0 The... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Cambridge International AS & A Level Mathematics Probability & Statistics Questions!