ded5
ded5
28-02-2018
Mathematics
contestada
Can anyone help me please
Respuesta :
iGreen
iGreen
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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