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leet org ginal ráke ber megre32-16 20(2-4)= Valsnty finds112 erat |
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Answer» Vx^2-16 -( x-4)=Vx^2-5x+4; -16-x+4=-5x+4; -16-x=-5x; -16=-x+5x; 16=-x+5x; 16=-x+5x; 16=4x; 16÷4=x=4 |
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