Question

A=2 b=-4 solve- 3(aSquare+3ab)+3-9ab​

Answer 1

Here's the answer...Hope it helps u...

Answer 2

$\: \boxed{Answer\:=>\:15}</p><p>$

$\: \bold{Question\:=>}$

$\: \bold{3( {a}^{2} +3ab)+3-9ab}$

$\: \bold{Answer\:=>}</p><p>$

$\: \bold{3[ {2}^{2} +3.(2).(-4)]+3-9(2)(-4)}</p><p>$

$\: \bold{3[4+6(-4)]+3-9(-8)}$

$\: \bold{3[4-24]+3+72}$

$\: \bold{12-72+3+72}$

$\: \bold{-72\:and\:72\:gets\:cancelled}$

$\: \bold{12+3}$

$\: \bold{=\:15}$

$\underline{Therefore\:the\:value\:=\:15}$