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'' please help me im stressing over this :(( please provide explanation ''

Danielle needs your help! She is practicing operations with polynomials, but she keeps making mistakes! Find the error(s) that Danielle made for each problem. Help Danielle understand her mistake by explaining the error(s) and then correctly performing the operation.
( please give explanation on what Danielle did wrong )

please help me im stressing over this please provide explanation Danielle needs your help She is practicing operations with polynomials but she keeps making mi class=

Respuesta :

nancygoyal

Answer:

She didn't changed the signs for last two terms

Step-by-step explanation:

Since there is a -ve sign in front of the 2nd prentheses, all the signs will change

therefore

[tex]8x {}^{2} + 2x - 6 - 5x {}^{2} + 3x - 2 \\ 3x {}^{2} + 5x - 8[/tex]