Question

Find the difference of the following polynomials. Arrange the terms in descending powers of the variable.

Subtract-4+38² from 7a-a².
O-4a2+7a+4
O4a2+7a+4
O-4a2-7a+4
O-4a2-7a-4

Answer 1

-4a² + 7a + 4

Explanation:

Subtract -4 + 3a² from 7a - a².

(7a - a²) - (-4 + 3a²) =

= 7a - a² + 4 - 3a²

= -4a² + 7a + 4