Answer:
56
Step-by-step explanation:
(4+7)²-(4²+7²)=121-65
=56
(4 + 7)² - (4² + 7²) = 11² - (16 + 49) = 121 - 65 = 56
Turn everything into fractions. You can also combine like terms.
6. 16
12. 32
18. 48
24. 64