Factorize completely: 9x^2 – 4.
Correct answer(s):
- (3x - 2)(3x + 2)
Subject
Algebra
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Factorize: x^2 + 11x + 28.
Correct answer(s):
- (x + 4)(x + 7)
Factorize by grouping: 6x^2 + 42x + 8x + 56.
Correct answer(s):
- (6x + 8)(x + 7)
Factorize completely: 16x^2 – 16.
Correct answer(s):
- (4x - 4)(4x + 4)
Factorize: x^2 + 5x + 6.
Correct answer(s):
- (x + 3)(x + 2)
Factorize by grouping: 2x^2 + 8x + 6x + 24.
Correct answer(s):
- (2x + 6)(x + 4)
Factorize completely: 16x^2 – 4.
Correct answer(s):
- (4x - 2)(4x + 2)
Factorize: x^2 + 11x + 18.
Correct answer(s):
- (x + 9)(x + 2)
Factorize by grouping: 5x^2 + 10x + 8x + 16.
Correct answer(s):
- (5x + 8)(x + 2)
Factorize completely: 9x^2 – 9.
Correct answer(s):
- (3x - 3)(3x + 3)
Factorize: x^2 + 8x + 12.
Correct answer(s):
- (x + 6)(x + 2)
Factorize by grouping: 8x^2 + 40x + 6x + 30.
Correct answer(s):
- (8x + 6)(x + 5)
Factorize completely: 49x^2 – 49.
Correct answer(s):
- (7x - 7)(7x + 7)
Factorize: x^2 + 16x + 60.
Correct answer(s):
- (x + 10)(x + 6)
Use identity to expand: (3x + 6)(3x – 6).
Correct answer(s):
- 9x^2 - 36
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