Question

数学填空题（初一的公式）[x+( )][x+( )]=x^2+( )+6x^2+3x+( )=(x+ )^2

Answer 1

[x+( 2 )][x+( 3 )]=x^2+( 5x )+6 或 [x+( 1 )][x+( 6 )]=x^2+( 7x )+6

x^2+3x+( 9/4 )=(x+ 3/2 )^2