Помогите пожалуйста Срочно!!! Решите уравнение:
1) (x-3)² + (3-x)²=2x²+3x+18
2) (x-5)² - (x+2)²=5-15x
3) (x+2)² + (3-x)²=2x²+8x+17
4) (3x-2)² - (4+3x)²=7-42x
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