Square of a binomial and sum and difference of two terms
1. (x + 3)² = ______
2 (2x + 1) = ______
3 (x + 2)(x - 2) = ______
4 (3x + 2y)) (3x - 2y) = ______
1. (x + 3)² = ______
2 (2x + 1) = ______
3 (x + 2)(x - 2) = ______
4 (3x + 2y)) (3x - 2y) = ______
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Answer:
1. x² + 6x + 9
2. (2x+1)^2 = 4x²+4x+1
3. x²-4
4. 9x²-4y²
Step-by-step explanation: