Question

mx^2-my^2=, ab^2-4ac^2=, p^4-16=, x^4-81=,

^2=в квадрате

Answer 1

1) $mx^2-my^2 = m(x-y)(x+y)$

2) $ab^2-4ac^2 = a(b-2c)(b+2c)$

3) $p^4-16 = (p-2)(p+2)(p^2+4)$

4) $x^4-81 = (x-3)(x+3)(x^2+9)$