Question

Tolong bantu yaa makasih
cara lengkapnya yaa hehehe
(5√2-2)^2

Answer 1

(5√2 - 2)²

= (5√2 - 2)(5√2 - 2)
= (5√2)(5√2) + (5√2)(-2) + (-2)(5√2) + (-2)(-2)
= (25 x 2) + (-10√2) + (-10√2) + 4
= 50 - 10√2 - 10√2 + 4
= 54 - 20√2