factorise 3xy + 12xz?

[匿名]

2013-02-05 7:36 am

can some1 help thats my homework

回答 (4)

[匿名]

2013-02-05 7:37 am

✔ 最佳答案

Take into 3x paranthesis:

3x*(y+4z)

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An ESL Learner

2013-02-05 3:37 pm

3xy + 12xz
= 3x(y) + 3x(4z)
= 3x(y + 4z)

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[匿名]

2013-02-06 5:39 pm

3x(y+4z)

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[匿名]

2013-02-05 3:38 pm

Observe that both terms have 3x as a factor and write:

3x(y + 4z)

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