Let's express the expression as a difference of two squares:
`391 xx 409`

Let's express the expressions as sum of two squares: 2(a^2 + b^2)

Let's express the expressions as sum of two squares: a^2+ b^2 + c^2 +d^2 +2(ac - bd)

Solve by expressing the quadratic as the difference of two squares: 16x^2+24x+13=0

Solve by expressing the quadratic as the difference of two squares: 9x^2+25=0

Let's resolve the following algebraic expressions into factors by expressing them as the difference of two squares:- x^2 - 2x - 3

Let's resolve the following algebraic expressions into factors by expressing them as the difference of two squares:- x^2 + 5x + 6

Let's resolve the following algebraic expressions into factors by expressing them as the difference of two squares:- 3x^2 - 7x - 6

Solve by expressing the quadratic as the difference of two squares: x^2-6x+25=0

Let's apply, (a+b)^2 + (a-b)^2 = 2(a^2 + b^2) or (a+b)^2-(a -b)^2 =4ab or ab = (frac(a+b)(2))^2 - (frac(a-b)(2))^2 to find the following Let's express x as the difference of two squares.

Let's express a^2 + frac(1)(a^2) - 3 as the difference of two squares.