Question

18 points for answer ..

Answer 1

Answer:

$( {a }^{2} - \: {b}^{2} ) = {a}^{2} \: - 2ab \: + {b}^{2} \\ ( {a}^{2} ) {}^{2} \: - \: 2(a)(b) \: + \: ( {b}^{2} ) {}^{2} \\ {a}^{4} \: - 2ab \: + {b}^{4}$

HOPE IT WORKS

THANKS!!!!!!!

Answer 2

Answer:

${a}^{4} + {b}^{4} - {2 \: a}^{2} \: {b}^{2}$

Step-by-step explanation:

(a² - b²)²

(a²)² + (b²)² - 2×a²×b²

a^4 + b^4 - 2a²b²