Tìm x:
a/ \(\left(6x-2\right)^2+\left(5x-2\right)^2-4\left(3x-1\right)\left(5x-2\right)=0\)
b/ \(\left(x-1\right)\left(x^2+x+1\right)-x\left(x+2\right)\left(x-2\right)=5\)
c/ \(\left(x-1\right)^3-\left(x+3\right)\left(x^2-3x+9\right)+3\left(x^2-4\right)=2\)
Turn into passive voice
1/ They will build a new high school in our town next year.
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2/ People sell tickets for the football match at the ticket booth.
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3/ They didn't reconstruct the old buildings in our pronnice last year.
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4/ The students are planting a lot of trees around the school at the moment.
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5/ Ms Nam has tought English in this school for 10 years.
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