Factor of 4-(2a+3b)^2
\(4-(2a+3b)^2\)\((2a+3b)^2 :\)\(4a^2+12ab+9b^2\)\(= 4-(4a^3+12ab+9b^2)\)\(=-(4a^2)-(12ab)-(9b^2)\)apply minus - plus rules :\(+(-a)=-a\)Refine:\(=-4-4a^2-12ab-9b^2\)hope this helps!
