Mschlagel Mschlagel

28-02-2017
Mathematics

Answered

Add: (3x4 + x2 + 2) + (9x4 - x2 + x)

A12x8 + x + 2
B12x8 + x4 + x + 2
C27x4 - x2 + x + 2
D12x4 + x + 2

Subtract:(3x2 - x - 5) - (x + 2)

A3x2 - x - 3
B3x2 - 2x -7
C3x2 - 3

Verified Answer :

Anonymous Anonymous

28-02-2017

The answers are:

A. 12x8 + x + 2

B. 3x2 - 2x - 7

Answer Link

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