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(7x-63)x(12x+84)=0
| (7x-63)·(12x+84)=0 | | 6v=-75v-237 | | 6x+8x=160 | | 6x6-48x=0 | | T=2x+8-4x | | 6x+48x=0 | | 6/(x-9)=5 | | 7n-5=128 | | 21+3/5+3=4x | | 16+x=2x–9 | | K^2+2k+10=0 | | x+16=2x-9 | | x+7=2x–9 | | x+7=2x–16 | | x+16=2x–9 | | H(t)=4+5t-4,5t^2 | | 10-3m-2=8 | | -16(2.3)+16(1.5)=x | | 36x-24=60 | | 9x=2.5-0.25 | | 3b-5=b-25 | | -10=-12+4/7a | | A(x)=4x^-320+6000 | | -10=-12×4/7a | | 4y-14=1- | | 3(2x−14)=−18 | | t/5-11=14 | | 6(3^x)=1458 | | 6(3x)=1458 | | 3z/8=5=-1 | | 6(4x-3)-3=4(2x-5)-5x+11-7x | | 10x+12÷2=56 |