Which of the following is equal to (3^-3)(3^7)? a. 3^4 b. 3^-4 c. 3^-10 d. 3^10
1 answer:
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Answer:
8x² + 8
Step-by-step explanation:
Given
(x² + 3)² - (x² - 1)² ← expand both factors using FOIL
= + 6x² + 9 - (
- 2x² + 1) ← distribute by - 1
= + 6x² + 9 -
+ 2x² - 1 ← collect like terms
= 8x² + 8
