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Since there is only two terms it is a case of seeing what both terms have in common. Both share a 2 and an x so having this an the coefficient to the bracket gives 2x(x-7)

When using 和 you can only talk about two nouns. This cannot be used as 'and' in the English sense to join sentences together. 而 means moreover and can function as a good substitute. For example: 我和我的爸爸去学校 an...

'No Nonsense' Answer: Our equation is x^2 - 2x - 15 = 0 so we want to find two numbers that add to get -2 and multiply to get - 15. The possible numbers pairs that multiply to get -15 are...1 and -15, -1 and...

Nel mio tempo libero mi piace cucinare con mia mamma perché sono molta contenta quando sto sperimentando con le sapore diverse. Quando ero piccola, la mia nonna mi ha insegnato tutte le ricette che ha conosc...

Cuando tengo un poco de tiempo libre, la cosa que me gusta hacer es los deportes. Me importa mucho el bienestar y por lo tanto practico los deportes a menudo. Cuando tuve diez años, tenía clases de tenis con...