Given: P(x) = (2x + 5)² – (x – 4)² Q(x) = (3x + 1)(5x – 2) – (3x² - 14x - 5) + (9x² – 1) 1) Show that 3x2 – 14x – 5 = (3x + 1)(x – 5) 2) Factorize P(x) and Q(x). 3) Solve P(x) = Q(x). %3D - %3D P(x)

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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XVI. Given: P(x) = (2x + 5)² – (x – 4)²
%3D
Q(x) = (3x + 1)(5x – 2) – (3x² – 14x – 5) + (9x² – 1)
1) Show that 3x2 - 14x-5 = (3x + 1)(x – 5)
2) Factorize P(x) and Q(x).
3) Solve P(x) = Q(x).
%3D
%3D
P(x)
4) Let H(x) =
Q(x)
%3D
a) Find the domain of definition of H(x).
b) Simplify H(x).
c) Calculate H(v3 – 1).
Transcribed Image Text:XVI. Given: P(x) = (2x + 5)² – (x – 4)² %3D Q(x) = (3x + 1)(5x – 2) – (3x² – 14x – 5) + (9x² – 1) 1) Show that 3x2 - 14x-5 = (3x + 1)(x – 5) 2) Factorize P(x) and Q(x). 3) Solve P(x) = Q(x). %3D %3D P(x) 4) Let H(x) = Q(x) %3D a) Find the domain of definition of H(x). b) Simplify H(x). c) Calculate H(v3 – 1).
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