Question

a) Subract:3a - 5b + c + 2d
b) Take away -3x2+4x2-5x+6 from 3x3-4x2+5x-6.
c) If X=6a+8b+9c: Y = 26-3a-6c: and Z=c-b+3a. Find X+Y+Z.
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Answer 1

Answer:

X2 y2 z2

Step-by-step explanation:

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