Question

Forme in eine Summe um:


(x-5)²(x+5)²

Answer 1

Wenn \((a-b)(a+b)=a^2-b^2\), dann ist doch \((a-b)^2(a+b)^2=(a^2-b^2)^2\).

Also \((x-5)^2(x+5)^2=(x^2-25)^2=x^4-50x^2+625\)

Answer 2

(x - 5)^2·(x + 5)^2

= ((x - 5)·(x + 5))^2

= (x^2 - 25)^2

= x^4 - 50·x^2 + 625