Respuesta :

Americ
Combine all like terms

=(-6x4 - 5x3 + x2) + (4x2 + 6x4 - 4x3)
=(-6x4+6x4)+(-5x3-4x3)+(x2+4x2)
the x4s cancel each other
= -9x3+5x2

Hope this helps! :)
masoncross1234

Answer:

Combine all like terms

=(-6x4 - 5x3 + x2) + (4x2 + 6x4 - 4x3)

=(-6x4+6x4)+(-5x3-4x3)+(x2+4x2)

the x4s cancel each other

= -9x3+5x2

Step-by-step explanation:

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