SYNDIELY13 SYNDIELY13
  • 23-01-2019
  • Mathematics
contestada

Subtract 7x^2−5xy+8y2 from −2x^2−15xy+9y^2

Respuesta :

OrethaWilkison OrethaWilkison
  • 01-02-2019

Answer

Subtract [tex]7x^2 -5xy+8y^2[/tex] from [tex]-2x^2 -15xy+9y^2[/tex]

then;

[tex]-2x^2 -15xy+9y^2 - (7x^2 -5xy+8y^2)[/tex]

Remove the bracket we have;

[tex]-2x^2 -15xy+9y^2 - 7x^2 + 5xy - 8y^2[/tex]

Like terms are those terms which have same variable to the same power.

Combine like terms;

[tex]-9x^2 -10xy+y^2[/tex]

Therefore, Subtracting [tex]7x^2 -5xy+8y^2[/tex] from [tex]-2x^2 -15xy+9y^2[/tex] we get [tex]-9x^2 -10xy+y^2[/tex]

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