QUESTION 2: ALGEBRAIC EXPRESSIONS 2.1 Consider the expression : x³ - 5x² + 4x-1 2.1.1 How many terms are in the above expression 3 Lems Write down the value of the constant term 2.1.2 2.1.3 Write down the coefficient of x² 5 2.1.4 What is the number 3 called? degree 2.1.5 Calculate the value of the value of the expression if x = 2 (1) ² - 5 (1)² + 4(1)-1 -5 +4 -1 -2 (1​