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I think you should not waste time in multiplication

Algebra Level 1

True or false:

$1+x+y+z+xy+yz+zx+xyz = (1+x)(1+y)(1+z) .$

True False

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Excel in math and science

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It's hard to learn from lectures and videos

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including olympiad champions, researchers, and professionals.

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by Gautam Bhambhani

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