展开 (5x^4+1)(5x^4-1)

解答

展开

(5 x^{4} + 1) (5 x^{4} - 1)

25 x^{8} - 1

求解步骤

(5 x^{4} + 1) (5 x^{4} - 1)

Apply Difference of Two Squares

(5 x^{4} + 1) (5 x^{4} - 1) : 25 x^{8} - 1

= 25 x^{8} - 1

e x p an d (a - 2 b)^{3}

s im pl i f y \frac{5 - 2 i}{- 4 - 9 i}

s im pl i f y 18 \times 2

e x p an d (a^{7} - b^{7})^{2}

s im pl i f y \frac{2}{3} + \frac{5}{4}