Question

subtract :
$2a ^{2} \: - \: 5ab \: \: from \: 5a^{2} \: \: - \: \: 8ab$

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Answer 1

Step-by-step explanation:

$(5 {a}^{2} - 8ab) - (2 {a}^{2} - 5ab)$

$= 5 {a}^{2} - 8ab - 2 {a}^{2} + 5ab$

$= 3 {a}^{2} - 3ab$

$= 3a(a - b)$