A=6x-4-2x-8=6x-2x-4-8=4x-12
B=12x^2-46x-8x-32=12x^2-54x-32
C=6x-4+2x-8=6x+2x-4-8=8x-12
D=6x-8x+32=-2x+32
Ex 6
A=3x^2+5x-15x-25+20x^2-8x-10x+4=23x^2-28x-21
B=6x^2-15x+2x-10-24x^2+12x-20x-10=18x^2-21x-20
C=8x^2-20x-10x+25-8x^2-12x+2x-3=-40x+22
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A=6x-4-2x-8=6x-2x-4-8=4x-12
B=12x^2-46x-8x-32=12x^2-54x-32
C=6x-4+2x-8=6x+2x-4-8=8x-12
D=6x-8x+32=-2x+32
Ex 6
A=3x^2+5x-15x-25+20x^2-8x-10x+4=23x^2-28x-21
B=6x^2-15x+2x-10-24x^2+12x-20x-10=18x^2-21x-20
C=8x^2-20x-10x+25-8x^2-12x+2x-3=-40x+22
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