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Expand and simplify: (10x – 3)^2.
Correct answer(s):
- 100x^2 - 60x + 9
Expand and simplify: (x + 2)^2. [Unique SSC algebra item 3]
Correct answer(s):
- x^2 + 4x + 4
Use identity to expand: (6x + 9)(6x – 9).
Correct answer(s):
- 36x^2 - 81
Expand and simplify: (12x – 6)^2.
Correct answer(s):
- 144x^2 - 144x + 36
Expand and simplify: (x + 9)^2.
Correct answer(s):
- x^2 + 18x + 81
Use identity to expand: (6x + 4)(6x – 4).
Correct answer(s):
- 36x^2 - 16
Expand and simplify: (3x – 6)^2.
Correct answer(s):
- 9x^2 - 36x + 36
Expand and simplify: (x + 2)^2. [Unique SSC algebra item 2]
Correct answer(s):
- x^2 + 4x + 4
Use identity to expand: (10x + 3)(10x – 3).
Correct answer(s):
- 100x^2 - 9
Expand and simplify: (6x – 8)^2.
Correct answer(s):
- 36x^2 - 96x + 64
Expand and simplify: (x + 6)^2.
Correct answer(s):
- x^2 + 12x + 36
Use identity to expand: (7x + 8)(7x – 8).
Correct answer(s):
- 49x^2 - 64
Expand and simplify: (9x – 5)^2.
Correct answer(s):
- 81x^2 - 90x + 25
Expand and simplify: (x + 10)^2. [Unique SSC algebra item 2]
Correct answer(s):
- x^2 + 20x + 100
Use identity to expand: (8x + 1)(8x – 1).
Correct answer(s):
- 64x^2 - 1
Expand and simplify: (9x – 8)^2.
Correct answer(s):
- 81x^2 - 144x + 64
Expand and simplify: (x + 4)^2.
Correct answer(s):
- x^2 + 8x + 16
Use identity to expand: (11x + 2)(11x – 2).
Correct answer(s):
- 121x^2 - 4
Expand and simplify: (2x – 5)^2.
Correct answer(s):
- 4x^2 - 20x + 25
Expand and simplify: (x + 10)^2.
Correct answer(s):
- x^2 + 20x + 100