Question

5 и 6 СРОЧНО!!!
Алгебра​

Answer 1

Ответ:

Объяснение:

5. (1/5)⁻¹-(-8/9)⁰+(1/3)²÷2=5-1 +1/9 ·1/2=4 +1/18=4 1/18

6. (10-x⁶)(7+x)=11x-63-x⁶(x+7)

(10-x⁶)(7+x)+x⁶(x+7)=11x-63

(x+7)(10-x⁶+x⁶)=11x-63

10x+70=11x-63

11x-10x=70+63

x=133