• (x + 2)²
• (x + 4)²
• (x - 2)²
• (x - A)²

• (2y + 3)²
• (2y - 3)²
• (3y + 2)²
• (3y - 2)²
• #### 3.  The factorisation of 49p² - 36 is

• (7p + 6)(7p - 6)
• (6p + 7)(6p - 7)
• (7p + 6)²
• (7p - 6)²
• #### 4.  The factorisation of y² - 7y + 12 is

• (y + 3)(y + 4)
• (y + 3)(y - 4)
• (y - 3)(y + 4)
• (y - 3)(y - 4)
• #### 5.  The factorisation of z² - 4z - 12 is

• (z + 6)(z + 2)
• (z - 6)(z - 2)
• (z - 6)(z + 2)
• (z + 6)(z - 2)
• #### 6.  The factorisation of am² + bm² + bn² + an² is

• (a + b)(m² - n²)
• (a + b)(m² + n²)
• (a - b)(m² + n²)
• (a - b)(m² - n²)
• #### 7.  The factorisation of (lm + l) + m + 1 is

• (l + 1)(m + 1)
• (l - 1)(m - 1)
• (l + 1)(m - 1)
• (l - 1)(m + 1)
• #### 8.  The factorisation of (l + m)² - 4lm is

• (l - m)²
• (l + m - 2)²
• (l + m + 2)²
• none of these
• #### 9.  The factorisation of 1 + p + q + r + pq + qr + pr + pqr is

• (1 + p)(1 + q)(1 + r)
• (1 - p)(1 - q)(1 - r)
• (1 - p)(1 - q)(1 + r)
• (1 + p)(1 - q)(1 - r)
• #### 10.  The value of 0.645 × 0.645 + 2 × 0.645 × 0.355 + 0.355 × 0.355 is

• 1
• 0
• -1
• 2
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