Question

4. Perform the indicated operation on polynomials.
a. (4x2 + 5x - 7) + (2x2 - 7x - 3)

Answer 1

While opening the brackets, make sure you change the signs accordingly.

Hope it helps!

Answer 2

The answer is 6x^2-2x-10

Explanation:

(4x2 + 5x - 7) + (2x2 - 7x - 3)

This is an addition question:

First step is open the parenthesis

4x2 + 5x - 7 + 2x2 - 7x - 3

Arrange the terms according to the exponents:

4x^2+2x^2-7x+5x-7-3

Solve the like terms:

6x^2-2x-10

Thus the answer is 6x^2-2x-10 ....