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Zigmanuir [339]
3 years ago
8

Factorise : 2b^2-2b Pls help

Mathematics
2 answers:
lyudmila [28]3 years ago
5 0

Factorise : 2b^2-2b    is   2b (b-1)

tresset_1 [31]3 years ago
3 0

2b^2=2\cdot b\cdot b\\\\2b=2\cdot b\\\\2b^2-2b=\boxed{2}\cdot\boxed{b}\cdot b-\boxed{2}\cdot\boxed{b}\cdot1=\boxed{2}\cdot\boxed{b}(b-1)=\boxed{2b(b-1)}

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