kelvinplatinum197 kelvinplatinum197

23-03-2020
Mathematics

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Simplify(3x^2-5x+9)+7x^2+8x-15

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Llamaland9 Llamaland9

23-03-2020

Answer:

[tex]10x^{2} + 3x - 6[/tex]

Step-by-step explanation:

[tex]3x^{2} - 5x + 9 + 7x^{2} + 8x - 15[/tex]

combine like terms

[tex](3x^{2} + 7x^{2} ) + (-5x + 8x) + (9 - 15)[/tex]

[tex]10x^{2} + 3x - 6[/tex]

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