Question

a) (x+2y)²
b) (3a-b)²
c) (½+3/4x)
d) (5n-4/7)²
e) (6/5-2x³)²

Answer 1

a) $x^{2}$+4xy+$4y^{2}$

b) $9a^{2}$-6ab+$b^{2}$

c) $\frac{1}{4}$+$\frac{3x}{4}$+$\frac{9x^2}{16}$

d)$25n^{2}$-$\frac{40n}{7}$+$\frac{16}{49}$

e)$\frac{36}{25}$-$\frac{12x^3}{5}$+$4x^{6}$