Question

(60+1)²=(a-2)²=(2ab-2)²=(4x²-2)²=(20-1)²=(50-2)²=(60+1)²=
(a-2)²=
(2ab-2)²=
(4x²-2)²=
(20-1)²=
(50-2)²=

Answer 1

(60+1)²= 61^2 = 3721
(a-2)²= a^2 - 4a + 4
(2ab-2)²= 4a^2b^2 - 8ab + 4
(4x²-2)²= 16x^4 - 16x^2 + 4
(20-1)²=19^2 = 171
(50-2)²= 48^2 = 2304