Question

Evaluate using suitable identy =
74 x 66​

Answer 1

Answer:

hi palash

Step-by-step explanation:

74=70+4

66= 70-4

(70+4)(70-4)       (a+b)(a-b)=a sq -b sq

(70*70)-(4*4)=

4900-16=4884

this the correct answer