It is 2 4/5, 2 4/5 is 2.8, 4/5 is greater than 3/4
Answer:
x = -1
Step-by-step explanation:
First, we can translate this statement to the equation

Subtracting 4x from both sides gives us a quadratic equation:

From here, we can factor the expression on the right to give us the equation's two solutions. The factored form will look like

We need a + b = -4 and ab = -5, and picking a = 1 and b = -5 do the job there. Our expression factors then to (x + 1)(x - 5), giving us the equation

And the solutions x = -1 and x = 5. Since we're only looking for the negative solution, x = -1 is the one we want.
Answer:
![\sqrt[n]{x} => n \ is \ the \ index \ and \ x \ is \ the \ radicand\\\\1. b) -23^7\\\\2. a) 2\\\\3. b) \sqrt{3} \cdot\sqrt{2} =\sqrt{6}](https://tex.z-dn.net/?f=%5Csqrt%5Bn%5D%7Bx%7D%20%3D%3E%20%20n%20%5C%20is%20%5C%20the%20%5C%20index%20%5C%20and%20%5C%20x%20%5C%20is%20%5C%20the%20%5C%20radicand%5C%5C%5C%5C1.%20b%29%20%20-23%5E7%5C%5C%5C%5C2.%20a%29%202%5C%5C%5C%5C3.%20b%29%20%5Csqrt%7B3%7D%20%5Ccdot%5Csqrt%7B2%7D%20%3D%5Csqrt%7B6%7D)
For q1 and q2 I have given explanation already.
q3 to multiply radicals the index must be same.
option a . different index. ∛5 √2
option b . same index so √3 √2 = √6
option c. again different index.
Plug 50 into y and find x.
5x + 10 (50) = 800
5x + 500 = 800
5x = 800 - 500
5x = 300
x = 300 ÷ 5
x = 60