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(3x+7)(2x-5)(7x+2)=0
We multiply parentheses ..
(+6x^2-15x+14x-35)(7x+2)=0
| (5x-2)(3x+3)(2x-6)=0 | | 6x-16=8x+4 | | 11x-7=8x+55 | | 2/3=2x+1 | | y’=0,5y | | 6x+12=72-6x | | 2/3=2x4/4 | | 2/3=2x1/4 | | -3/4m-1/2=2+2/4m | | 15=35n | | 8/20=n/2 | | 2/3x-1/4x=-1 | | 40-3x=31 | | -13m=-221 | | 99=-11k | | b=-14/4 | | 20+12x=9x-9x-10 | | (n-5)(n-6)(n-7)(n-8)(n-9)=30240 | | (6x-9)=(4-8x) | | 5/4=n/250 | | 44=16x+5 | | 8x-5/5x=4 | | 44=16x=5 | | 5/4=250/n | | 4(x+2)+6=3(1-2x-9) | | 4x=194 | | 4y–1=2y+11 | | -19x/7+15=27 | | 12/2=5/n | | 3x+6+8=-20 | | (0.5-x)/0.5=0.71 | | -19x+7=35 |