Answer:
1. Multiply, or distribute, the outer term to the inner terms.
2. Combine like terms.
3. Arrange terms so constants and variables are on opposite sides of the equals sign.
4. Solve the equation and simplify, if needed
Step-by-step explanation:
Answer:
194.
Step-by-step explanation:
x = (7+4√3)
x^2 = x = (7+4√3)^2
= 49 + 48 + 56√3
= 97 + 56√3
x^2 + 1/x^2 = 97 + 56√3 + 1/(97 + 56√3)
= 194.
