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3 years ago

Solve this equation(15x^3- 2)^3= 2197

Mathematics

1 answer:

aliya0001 [1]3 years ago

5 0

Answer:

x=1

Step-by-step explanation:

(15x^3- 2)^3= 2197

Take the cube root of each side

(15x^3- 2)^3 ^ 1/3= 2197^ 1/3

15x -2 = 13

Add 2 to each side

15x^3- 2+2= 13+2

15x^3 =15

Divide each side by 15

15x^3 /15 =15/15

x^3 =1

Take the cube root of each side

x^3 ^1/3 = 1^1/3

x=1

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