СРОЧНО ПОМОГИТЕ! Решите уравнение:
1) 9x² - 1 - (3х - 2)² = 0
2) (2х - 3)² - 2х (4 + 2х) = 11

Упростите выражение:
3) (2x²)³ · (2x³)⁵
4) (25y⁴)³ ÷ (-5y⁵)²
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