Answer:
![\sqrt[5]{z} = \sqrt[5]{(-2)^{5} } \therefore \sqrt[5]{z} = -2](https://tex.z-dn.net/?f=%5Csqrt%5B5%5D%7Bz%7D%20%20%3D%20%5Csqrt%5B5%5D%7B%28-2%29%5E%7B5%7D%20%7D%20%20%20%5Ctherefore%20%5Csqrt%5B5%5D%7Bz%7D%20%3D%20-2)
Step-by-step explanation:
i) z = -32
ii)
The value of 6 is 60, since it is in the tens place. Hope this helps!
Answer:
x = - 2 or x = 5
Step-by-step explanation:
Given
3x² - 9x - 30 = 0 ← in standard form
Divide all terms by 3
x² - 3x - 10 = 0
To factor the quadratic
Consider the factors of the constant term (- 10) which sum to give the coefficient of the x- term (- 3)
The factors are - 5 and + 2, since
- 5 × 2 = - 10 and - 5 + 2 = - 3, thus
x² - 3x - 10 = 0
(x - 5)(x + 2) = 0
Equate each factor to zero and solve for x
x - 5 = 0 ⇒ x = 5
x + 2 = 0 ⇒ x = - 2
1.41666666667 is the answer
