Respuesta :

absor201

Answer:

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

Step-by-step 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 ....

Stena

[tex](4 {x}^{2} + 5x - 7) + (2 {x}^{2} - 7x - 3) \\ \\ open \: the \: brackets \\ \\ 4 {x}^{2} + 5x - 7 + 2 {x}^{2} - 7x - 3 \\ \\ 6 {x}^{2} - 2x - 10[/tex]

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

Hope it helps!

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