3.2
x²+4x+4-x²+9= 4x+13
3.4
y²+3y-2y-6-y²+2y-1+25-y²= -y²+3y+18
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Verified answer
3.2
x²+4x+4-x²+9= 4x+13
3.4
y²+3y-2y-6-y²+2y-1+25-y²= -y²+3y+18