ANSWER: Here are the solutions: 1. 3x - 2x² = 7 - Standard form: -2x² + 3x - 7 = 0- a = -2, b = 3, c = -7 2. (x - 7)(x + 7) = 3x - Expand the equation: x² - 49 = 3x- Standard form: x² - 3x - 49 = 0- a = 1, b = -3, c = -49 3. (y + 3)(y + 5) = 0 - Expand the equation: y² + 8y + 15 = 0- Standard form: y² + 8y + 15 = 0- a = 1, b = 8, c = 15 4. 5 + 2z² = 6z - Standard form: 2z² - 6z + 5 = 0- a = 2, b = -6, c = 5 The standard form of a quadratic equation is ax² + bx + c = 0, where a, b, and c are constants and a ≠ 0.sana makatulong po ako