28-02-2018
Mathematics

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Can anyone help me please

Can anyone help me please class=

Respuesta :

28-02-2018

[tex]\sf (6x^2-6x-4)-(5x^2-8x-4)[/tex]

Distribute -1 in the 2nd parenthesis:

[tex]\sf 6x^2-6x-4-5x^2+8x+4[/tex]

Combine like terms:

[tex]\sf 6x^2-5x^2=x^2[/tex]

[tex]\sf -6x+8x=2x[/tex]

[tex]\sf -4+4=0[/tex]

So we have:

[tex]\sf x^2+2x[/tex]

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