Simplifying Polynomials

Name:
4x² + 3 + x + 3x² + 4
12x²+x+12
7x² + x + 7
7x+x²+12
X+x
3x
2x
4x²+3x²
12x²
7x
7x²
34x²+2x²-4x²+7-3+3
36x²+10
32x²+7
34x²+7
32x²+10
3x+5+x+9+x²
8x²+9x+14
X²+4x+14
X²+2x+4
3x²+7x+999
3x²+7x+999
10x²+999
3x²+1006
7x+1002x²
69+3x+4x+9x²-200+500+2(3x²+3x)
I am confused I have no idea what to do
15x²+13x+369
81x²+18x-369
32x-32-32x+32.00x²+32.0000-32.0x²
64x²+64x+64
64x+64
0
2x+3x-5+74+8(2x+9x²)
72x²+6x-69
72x²+21x+69
16x+45x²+72
257+69x+12+40(30x+2x²)
80x²+1269x+269
1269x²+80x+296
0.34
96x²+402+11(7x-2)-2x²
94x²+415+7x
X²+999x+402
94x²+77x+380
3+3x+3x²-3-3x-3x²
6x²+6x+6
0
3x²+3x+3
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