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Popular >

expand a^2-1+b(b-2a)

Solution

expand

a^{2} - 1 + b (b - 2 a)

Solution

a^{2} - 1 + b^{2} - 2 ab

Solution steps

a^{2} - 1 + b (b - 2 a)

Apply the distributive law:

a (b - c) = ab - a c

b (b - 2 a) = bb - b \cdot 2 a

= a^{2} - 1 + bb - b \cdot 2 a

Simplify

bb - b \cdot 2 a : b^{2} - 2 ab

= a^{2} - 1 + b^{2} - 2 ab

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a + 2 a + 3 a

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Frequently Asked Questions (FAQ)

What is expand a^2-1+b(b-2a) ?
The solution to expand a^2-1+b(b-2a) is a^2-1+b^2-2ab