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11-01-2021
Mathematics

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Simplify and Factorise a(a + b - c) - bc

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12-01-2021

[tex] {2a}^{2} + ab - ac - bc[/tex]

Step-by-step explanation:

[tex] = a(a + ab - c) - bc[/tex]

[tex] = {a}^{2} + {a}^{2} + ab - ac - bc[/tex]

[tex] = {2a}^{2} + ab - ac - bc[/tex]

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