Question

(a + b )(a – b) = a2 – b2 prove


please it urgent fast because i need to do my project work
​

Answer 1

Answer:

$a \times a = {a}^{2} \\ \\ + \times ( - ) = - \\ \\ b \times b = {b}^{2} \\ \\ \\ \\ \: hence(a + b)(a - b) = {a}^{2} - {b}^{2}$

Answer 2

Answer:

your answer dear

Step-by-step explanation:

(first term + second term )

(first term - second term)

=( First Term)²- (second term)²

proof=> (a+b)(a-b) =a(a-b)+b(a-b)

=a²-ab+ab-b²

=a²-b² proved

hope it help you