Question

multiply it using column method
(4a-5) (a^2+b^2-2ab)​

Answer 1

Step-by-step explanation:

(4a - 5)( {a}^{2} + {b}^{2} - 2ab)(4a−5)(a

2

+b

2

−2ab)

= 4a( {a}^{2} + {b}^{2} - 2ab) - 5( {a}^{2} + {b}^{2} - 2ab)=4a(a

2

+b

2

−2ab)−5(a

2

+b

2

−2ab)

= 4 {a}^{3} + 4a {b}^{2} - 8 {a}^{2} b - 5 {a}^{2} - 5 {b}^{2} + 10ab=4a

3

+4ab

2

−8a

2

b−5a

2

−5b

2

+10ab

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