Digital PSAT Math Practice Question 243: Answer and Explanation

Question: 243

Given that x ≠ 0, find the value of

Correct Answer: 196

Explanation:

196 First, simplify the second term in the numerator:

3(2x²)² = 3(4x⁴) = 12x⁴, so our entire expression becomes . The x⁴ terms of the numerator can be combined: . The x⁴ in the numerator cancels with the x⁴ in the denominator: so the answer is 196.