公式法因式分解,1.34^2+34×32+16^22.144-12×46+23^2
问题描述：
公式法因式分解,
1.34^2+34×32+16^2
2.144-12×46+23^2
答
麻烦得很
答
(34+16)^2
(12-23)^2
答
1.34^2+34×32+16^2
=34^2+2*34*16+16^2
=(34+16)^2
=2500
2.144-12×46+23^2
=12^2-2*12*23+23^2
=(12-23)^2
=121
答
34^2+34×32+16^2 =34^2+2×34×16+16^2 =（34+16）^2
144-12×46+23^2=12^2-2×12×23+23^2=(12-23)^2