Question

x²+2xy-3+y²=?
77²+46.77+23²=?

Answer 1

Answer:

77^+46×77+23^2

77^+2×77×46+23^2 (a^2+2ab+b^2)

(77+23)^2 (a+b)^2

100^2

10000

Answer 2

Step-by-step explanation:

a) (x - 3) (x + y)

b) 6504.77