Answer:
Step-by-step explanation:
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You probably are interested in expressing the given equation as a quadratic equation in u, as it will make it easy to find the solutions.
Let u = x²
So,
u² = x⁴
So, the given equation can be written as:
u² - 17u + 16 = 0
Now the equation is quadratic in u and the solutions can be calculated using quadratic formula or factorization.
For part a it’s sal will leave a $20 tip for part b sals food is $78.22 including tax and tip
Do you know it in English because then i can help<span />
