Question

What is the difference of the two polynomials?

(9x2 + 8x) – (2x2 + 3x)

7x2 + 5x
7x2 + 11x
11x2 + 5x
11x2 + 11x

Answer 1

You subtract the like terms, don't forget to distribute the subtraction sign, its 7x2+5x

Answer 2

(A)
`7x^2+5x`

Explanation:

Given:The given expression is:

`(9x^2+8x)-(2x^2+3x)`

To find: The difference of the two polynomials.

Solution: The given expression is:

`(9x^2+8x)-(2x^2+3x)`

Upon solving the above equation, we get

`9x^2+8x-2x^2-3x`

Combining the like terms and then solving,

`9x^2-2x^2+8x-3x`

`7x^2+5x`

which is the required difference.

Hence, option A is correct.