Question

Answer 1

a: \(=\left(2x^2-1\right)^2\)

b: \(=x^2+4xy+4y^2\)

e: \(=\left(x-6\right)^2\)

i: \(=\left(2x-3\right)^2\)

m: \(=\left(5x-1\right)^2\)

j: \(=x^2-4xy+4y^2\)

Answer 2

c. x^4 - 2x^2y^2 + y^4

g. x^4 + 18x^2 + 81

k. 4x^4 + 4x^2 + 1

o. 9x^2 - 6xy^2 + y^4

s. x^2 + 4xy^2 + 4y^4

w. ( 3x - y ).( 3x + y )

 

Answer 3

d. (\(\dfrac{1}{x}\))^2 - 25

h. x^2 - (\(\dfrac{3}{2}\))^2

l. (\(\dfrac{x}{3}\))^2 - (\(\dfrac{y}{4}\))^2

p. (\(\dfrac{x}{y}\))^2 - (\(\dfrac{2}{3}\))^2

t. (\(\dfrac{y}{3}\))^2 - (\(\dfrac{x}{2}\))^2

y. (2x)^2 - (\(\dfrac{2}{3}\))^2