Question

-2z² + 4z + 2z² = ?
Anyone know this? ​

Answer 1

`\\ \sf\longmapsto -2z^2+4z+2z^2`

• Combine like. variables

`\\ \sf\longmapsto -2z^2+2z^2+4z`

`\\ \sf\longmapsto (-2+2)z^2+4z`

`\\ \sf\longmapsto 0z^2+4z`

`\\ \sf\longmapsto 4z`

Answer 2

4

Explanation:

Let's simplify step-by-step.

−2z2+4z+2z2

Combine Like Terms:

=−2z2+4z+2z2

=(−2z2+2z2)+(4z)

=4z

Answer:

4z

Hope this helps <3 Need thanks?

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