Question

Make the factors of 10ab + 4a + 5b + 2
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Answer 1

$\small{ \color{blue}{answer}}$

$\small{ \color{grey}{10ab + 4a + 5b + 2}}$

$\small{ \color{navy}{ = 2a(5b + 2) + (5b + 2)}}$

$\small{ \color{lime}{ = (5b + 2)(2a + 1)}}$