Question

bài 1  

a) (6x + 5y) Mũ2

b) (4x - 1) Mũ 2

c) (x + 2) Mũ 2

 

 

Answer 1

a) \(\left(6x+5y\right)^2=36x^2+60x+25y^2\)

b) \(\left(4x-1\right)^2=16x^2-8x+1\)

c) \(\left(x+2\right)^2=x^2+4x+4\)