Question

use the column method to find the following products.(4a - 5)(a2 + b2 - 2ab)​

Answer 1

Step-by-step explanation:

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

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

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

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Answer 2

Answer:

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