Question

factor of 9xsquare-30x +25

Answer 1

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Answer 2

$9 {x}^{2} - 30x + 25$
$= > 9 {x}^{2} - 15x - 15x + 25$
$= > 3x(3x - 5) - 5(3x - 5)$
$= > (3x - 5)(3x - 5)$
$= > {(3x - 5)}^{2}$
so ,
$(3x - 5) \: is \: a \: factor$