chrisj0007
chrisj0007 chrisj0007
  • 03-09-2020
  • Mathematics
contestada

Simplify:
(7y2 + + 3xy - 9) - (2y2 + 3xy - 5)

Respuesta :

ujalakhan18
ujalakhan18 ujalakhan18
  • 03-09-2020

Answer:

[tex]\huge\boxed{\sf 5y^2 -4}[/tex]

Step-by-step explanation:

[tex]\sf (7y^2 + 3xy -9) - (2y^2+3xy-5)\\\\Resolving \ Parenthesis\\\\7y^2 + 3xy-9 -2y^2 -2xy+5\\\\Combining \ like \ terms\\\\7y^2-2y^2+3xy-3xy-9+5\\\\Adding \ or \ Subtracting\\\\\boxed{\bold{\sf 5y^2-4}}[/tex]

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