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  • 01-03-2019
  • Mathematics
contestada

Subtract and simplify (-y^2-3y-5)-(-3y^2-7y+4)

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Аноним Аноним
  • 01-03-2019

[ Answer ]

[tex]\boxed{2y^{2} \ + \ 4y \ - \ 9 }[/tex]

[ Explanation ]

(-y[tex]^{2}[/tex] - 3y - 5) - (3y[tex]^{2}[/tex] - 7y + 4)

[Remove Parenthesis]

-y[tex]^{2}[/tex] - 3y - 5 - (-3y[tex]^{2}[/tex] - 7y + 4)

-(-3y[tex]^{2}[/tex] - 7y + 4): 3y[tex]^{2}[/tex] + 7y - 4

-y[tex]^{2}[/tex] - 3y - 5 + 3y[tex]^{2}[/tex] + 7y - 4

[Simplify] -y[tex]^{2}[/tex] - 3y - 5 + 3y[tex]^{2}[/tex] + 7y - 4: 2y[tex]^{2}[/tex] + 4y - 9

= 2y[tex]^{2}[/tex] + 4y - 9

[tex]\boxed{[ \ Eclipsed \ ]}[/tex]

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