Question

Its just the circled ones, numbers 1,3,4,and 6. I've been unable to understand anything recently so help is greatly appreciated

Answer 1

Given:

The expression is,

`(-6x^2+3x-7)+(10x^2+4x-2)`

Step-by-step explanation:

Evaluate the sum of two expression.

`\begin{gathered} (-6x^2+3x-7)+(10x^2+4x-2)=-6x^2+10x^2+3x+4x-7-2 \\ =4x^2+7x-9 \end{gathered}`

So answer is,

`4x^2+7x-9`