Find the remainder when 3x3 + 5x2 - 11x + 4 is divided by x + 3

Assessment: JAMB UTME - Mathematics - 2004 Subject: General Mathematics

Question 1 Report

Find the remainder when 3x3 + 5x2 - 11x + 4 is divided by x + 3
Answer Details
x = -3
substitute x = -3 in 3x3 + 5x2 - 11x + 4
3(-3)3 + 5(-3)2 - 11(-3) + 4
-81 + 45 + 33 + 4
-81 + 82
= 1
Read lesson note on Solution Of Linear Equations (WAEC)
Read lesson note on Modular Arithmetic (WAEC)
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