volume_mute
(x+3)^2
publish date: 2020/12/29 00:41:00 GMT+11
volume_muteCorrect Answer
x^2+6x+9
Explanation
Apply Perfect Square Formula= (a+b)^2= a^2+2ab+b^2
a=x, b=3
=x^2+2xX3+3^2= x^2+6x+9
publish date: 2020/12/29 00:41:00 GMT+11
volume_muteApply Perfect Square Formula= (a+b)^2= a^2+2ab+b^2
a=x, b=3
=x^2+2xX3+3^2= x^2+6x+9