(X+A)\Xb2= X\Xb2 + 18x +81

(x+a)²= x² + 18x +81

Answer:

Step-by-step explanatioin:

(x+a)²=x²+18x+81

(x+9)²=x²+18x+81

(x+9)(x+9)

=x²+9x+9x+81

x²+18x+81


Comments

Popular posts from this blog

Ano Ang Kahinaan At Kalakasan Ng Kapitalismo, Komunismo At Sosyalismo? Salamat In Advance! ^_^