Question

Using the suitable identity find
a) 98 x 108
b) 782 - 222
c) 9982

Answer 1

Answer:

10,584

560

Step-by-step explanation:

98x104*10584

782-222*560

Answer 2

a) (8+90)(8+100)

(x+a)(x+b)=x²+(a+b)x+ab

x=8;a=90;b=100

8²+(90+100)*8+(90)(100)

64+1520+9000

10584

idk b and c