Câu trả lời:
= ( x3 + 2x2y + xy2 ) - 16x
= x (x2 + 2xy + y2) - 16x
= x( x + y)2 - 16x
= x [ ( x + y)2 - 16 ]
= x ( x + y +4) ( x + y - 4)
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How important is it for young people to have ambitions ? Read the newspaper extract then write an essay discussing your opinions using specific examples. (140-190 words)
A recent survey has been published that shows that today's teenagers are forming the 'ambitious generation'. Many of these teenagers expect to attend university. However, they might be missing out on what normal teenagers should be doing.