Solve. a. x 3 5x 2 4x + 20 = 0 b. x 3 +
Question:
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
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Step by Step Answer:
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 the full answer
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Related Book For 
Cambridge International AS & A Level Mathematics Pure Mathematics 2 & 3 Coursebook
ISBN: 9781108407199
1st Edition
Authors: Sue Pemberton, Julianne Hughes, Julian Gilbey
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