y⁴ - 3y² + 19 is a

5a + 7a + 2b + 8b - a + 1 = ?

In the product (2 - x)(5 - 3x)(1 - 7x), the coefficient of x² is?

What should be subtracted from 8a²b² - 9a³+ 11y³ to get 6y³?

(6x - 5) × (-3x) = ?

Subtract x-y from the sum of x+3y and -3x-y?

Which of the following polynomial is a binomial?

(2a²b + 3b²) + (5a²b + 7b²) =

12xy × -8x² = ?