Question

Evaluate using suitable identity 198 x 103

Answer 1

$x^{2} + ( a + b )x +ab \\100^{2} + 10100 + 294\\20100 +294\\20394$Answer:

=(100+98)(100+3)

=(x+a)(x+b)

Step-by-step explanation:

Answer 2

Step-by-step explanation:

x

2

+(a+b)x+ab

100

2

+10100+294

20100+294

20394

Answer:

=(100+98)(100+3)

=(x+a)(x+b)