Simplify the following expressions.
(a) 2x2 + 5x - x + 3y + 2x-2y + 5 (b) 3y - 5z+ 2y+3y2 -y-4y +3
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Answer:
easy very much easy good
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answer (a ) 2*2+5x-x+3y+2x-2y+5 answer is 6x+y+9
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