x2
x
=0
14x2
14x2-20x
14x2-19x
14x2-18x
14x2-17x
14x2-16x
14x2-15x
14x2-14x
14x2-13x
14x2-12x
14x2-11x
14x2-10x
14x2-9x
14x2-8x
14x2-7x
14x2-6x
14x2-5x
14x2-4x
14x2-3x
14x2-2x
14x2-x
14x2+x
14x2+2x
14x2+3x
14x2+4x
14x2+5x
14x2+6x
14x2+7x
14x2+8x
14x2+9x
14x2+10x
14x2+11x
14x2+12x
14x2+13x
14x2+14x
14x2+15x
14x2+16x
14x2+17x
14x2+18x
14x2+19x
14x2+20x
14x2+21x
14x2+22x
14x2+23x