quadratic equation to standard form
1. (x + 5)(r + 9) = 20
2. (2x - 1)(x + 3) = -2x
3. (x + 6)² = 12x
4. (5x + 4) (5x - 4) = 0
5. (3x-8)(x + 2) = 2x²
1. (x + 5)(r + 9) = 20
2. (2x - 1)(x + 3) = -2x
3. (x + 6)² = 12x
4. (5x + 4) (5x - 4) = 0
5. (3x-8)(x + 2) = 2x²
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Answer:
1. x² + 14x + 25 = 0
2. 2x² + 7x - 3 = 0
3. x² + 36 = 0
4. 25x² - 16 = 0
5. 5x² - 2x -16 = 0
Step-by-step explanation:
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