5. A friend was working on the problem: (10x³ + 18.x2 + 3x- 1) ÷ (5x + 4). 3 They got 2x² + 2x 1+ as their answer. Without doing the division, 5x + 4 show how you can check their answer. Is your friend's answer correct?

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter8: Roots And Radicals
Section8.8: Use The Complex Number System
Problem 8.156TI: Simplify: (a) (32i)+(54i) (b) (4+3i)(26i).
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2. Simplify with positive exponents:
3
3a-26
(a)
2a3b-3
(b)
(2y3)-2
Transcribed Image Text:2. Simplify with positive exponents: 3 3a-26 (a) 2a3b-3 (b) (2y3)-2
5. A friend was working on the problem:
(10x3 + 18x² + 3x – 1) ÷ (5x + 4).
They got
3
2.x2 + 2x – 1+
as their answer. Without doing the division,
5x +4
show how you can check their answer. Is your friend's answer correct?
Transcribed Image Text:5. A friend was working on the problem: (10x3 + 18x² + 3x – 1) ÷ (5x + 4). They got 3 2.x2 + 2x – 1+ as their answer. Without doing the division, 5x +4 show how you can check their answer. Is your friend's answer correct?
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