Bentuk sederhana dari bilangan berikut adalah … (5ₓ⁵ + 3ₓ⁴ - 4ₓ³ + 2ₓ² - 6ₓ - 12) + (3ₓ⁵ + ₓ⁴ + 2ₓ³ + 2ₓ² + 8ₓ + 6) (2ₓ⁵ + 3ₓ⁴ ₋ 4ₓ³ + ₓ² ₋ 10)

Yolanda wanted to buy a total of 6 pounds of mixed nuts and dried fruit for a party she paid 21.60 for mixed nuts and 11.90 for dried fruit did yolanda but enough mixed nuts and dried fruit for the party