1.

4 (a + b ) - 6 (a +b )squar​

Answer»

4a+4b-6a^2+12ab+6b^2here, 4(a+b)=4a+4band 6(a+b)^2=6(a^2+2ab+b^2) =6a^2+12ab+6b^2 so, 4(a+b)-6(a+b)^2=4a+4b-6a^2+12ab+6b. here is the ANSWER HOPE it will HELP you



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