Simplify (1.5 x-4 y)(1.5 x+4 y+3)-(4.5 x+12 y) - Vidyadip

Question

Simplify
$(1.5 x-4 y)(1.5 x+4 y+3)-(4.5 x+12 y)$

✓

Answer

$2.25 x^2-16 y^2-24 y$

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