Question

Factories:-
$16x {}^{2} + 25y { }^{2} - 40xy - 12x + 15y$
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Answer 1

Step-by-step explanation:

16x²+25y²-40xy-12x+15y

(4x)²+(5y)²-2(4x)(5y)-3[(4x)(-5y)]

(4x+5y)²-3(4x)(-5y)