Question

15x^2 +52x +45
$15 {x}^{2} + 52x + 45$

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Answer 1

$=> 8 {x }^{2} - 25x + 18$

$=> 8 {x }^{2} - 16x - 9x + 18$

$=> 8x (x-2) - 9 (x-2)$

$=> (8x-9) (x-2)$

Answer 2

15x² + 52x + 45

( 15x² + 25x ) + ( 27x + 45 )

5x ( 3x + 5 ) + 9 ( 3x + 5 )

( 3x + 5 ) ( 5x + 9 )