Problems
Problem 4.1:
Evaluate (x - 3)2.
[Solution]
Problem 4.2:
Evaluate (2x + 11)2.
[Solution]
Problem 4.3:
Evaluate (3 - 5x)2.
[Solution]
Problem 4.4:
Evaluate (x2 +2y)2.
[Solution]
Problem 4.5:
Evaluate (2x3 -9)2.
[Solution]
Problem 4.6:
What number does the represent?
(x + )2 = x2 + 14x + 49
[Solution]
Problem 4.7:
What number does the represent?
(3x - )2 = 9x2 - 24x + 16
[Solution]
Problem 4.8:
What expression does the represent?
= x2 - 10x + 25
[Solution]
Problem 4.9:
Evaluate (x - 9)(x + 9).
[Solution]
Problem 4.10:
Evaluate (7x + y)(7x - y).
[Solution]
Problem 4.11:
Evaluate (3x + 6y)(3x - 6y).
[Solution]
Problem 4.12:
Evaluate (- 2x - 1)(- 2x + 1).
[Solution]
Problem 4.13:
Evaluate (x3 - x2)(x3 + x2)
[Solution]
Problem 4.14:
What monomial does the represent?
(3y + )(3y - ) = 9y2 - 64
[Solution]
Problem 4.15:
What monomial does the represent?
(2x + )(2x - ) = 4x2 -49y2
[Solution]
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