17-07-2017
Mathematics

contestada

Subtract the polynomials (7.8x - 3.4y + z) and (-9.2x + 4.8y - 2.1z)

Respuesta :

johnlpz johnlpz

17-07-2017

17x -8.2y +3.1z , the subtraction flips the signs on the second set, and then you just add the same variables together.

Answer Link

17-07-2017

7.8x - 3.4y + z
-(-9.2x + 4.8y - 2.1z)
-------------------------------
17x - 8.2 y 3.1z

Answer Link

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