Question

solve this question ​

Answer 1

Answer:(x + a)(x + b) = x2 + (a + b)x + ab.

(x + a)(x – b) = x2 + (a – b)x – ab.

(a + b)3 = a3 + b3 + 3ab(a + b)

(a – b)3 = a3 – b3 – 3ab(a – b)

(x – a)(x + b) = x2 + (b – a)x – ab.

Step-by-step explanation:

Answer 2

Step-by-step explanation:

Diagonal is AC

AC²=128²

AC²=AB²+BC²(Pythagoras theorem)

since it is square

AC²= 2AB²

128 =2AB

AB= 64

HOPE IT HELPS YOU

PLS MARK AS BRIANLIST