Question

a) (x + 9) 2 =
b) (x – 10) 2 =
c) (2x +y) 2 =
d) (x + m)(x + m) =
e) (x - 6)(x -6 ) =

Answer 1

(x+9)²=x²+18x+81

(x-10)²=x²-20x+100

(2x+y)²=4x²+4xy+y²

(x+m)(x+m)=x²+2mx+m²

(x-6)(x-6)=x²-12x+36