100 Things Penn State Fans Should Know & Do Before They Die (100 Things...Fans Should Know)

100 Things Penn State Fans Should Know & Do Before They Die (100 Things...Fans Should Know)

Matematika jumlah dari
[tex] - 8x2 + 9 - 4x - 5x2[/tex]
bantu jawab ​

jumlah dari
[tex] - 8x2 + 9 - 4x - 5x2[/tex]
bantu jawab ​

[tex] - 8 {x}^{2} + 9 - 4x - 5 {x}^{2} \\ = ( - 8 {x}^{2} - 5 {x}^{2} ) + 9 - 4x \\ = - 13 {x}^{2} + 9 - 4x[/tex]

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