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PLEASE HELP ITS MATH

2x2 + 6x – 7x + 8 – 3x2 + 1
A. 2x2 + x + 9
B. –2x2 – x – 9
C. –x2 – x + 9
D. x2 + 9

Sagot :

Miraculouslbcomicsidn

Answer:

C. -x^2-x+9

Step-by-step explanation:

Combine Like Terms:

what we have 2x^2+6x−7x+8−3x^2+1

=(2x^2−3x^2)+(6x+−7x)+(8+1)

=−x^2+−x+9

Doomdabombidn

Answer:

[tex]-x^2-x+9[/tex]

Step-by-step explanation:

[tex]2x^{2} +6x-7x+8-3x^2+1[/tex]

[tex]2x^{2} +6x-7x+9-3x^2[/tex]     Add 8 + 1

Combine like terms

[tex]2x^{2} +6x-7x+9-3x^2[/tex]     [tex]6x-7x=-x[/tex]

[tex]2x^2-x+9-3x^2[/tex]

Combine like terms

[tex]2x^{2} -x+9-3x^2[/tex]              [tex]2x^2-3x^2[/tex]

[tex]-x^2-x+9[/tex]          

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