Question

4х^2+ 12х + 9
x^2 –y^2
x^3-y^3
m^3-п^3

Answer 1

Ответ:

1.

$4x {}^{2} + 12x + 9 = (2x + 3) {}^{2}$

2.

$x {}^{2} - y {}^{2} = (x - y)(x + y)$

3.

$x {}^{3} - y {}^{3} = (x - y)(x {}^{2} + xy + y {}^{2} )$

4.

$m {}^{3} - n {}^{3} = (m - n)(m {}^{2} + mn + n {}^{2} )$