(25 x³)² x (5 x^5)³ = -160 (5³)² x^16 - вопрос №34508702555160516 от Stasichek1 31.05.2021 19:51

Question

Алгебра: (25 x³)² x (5 x^5)³ = -160 (5³)² x^16

Stasichek1 · Answer

25²x⁵ *x(25³ x¹⁵)
————————— = -160
5⁶ * x¹⁶

5³x⁵ *5⁴x¹⁶
————————— = -160
5⁶ * x¹⁶

5³⁺⁴x⁵⁺¹⁶
————————— = -160
5⁶ * x¹⁶

5⁷x²¹
————————— = -160
5⁶ * x¹⁶

5⁷⁻⁶х²¹⁻¹⁶=-160
5х⁵=-160
x⁵=-32
x=-2