Question

a) 25a^2 - 16a^2 b^2

b) x^2 - (a+b)^2

c) 9(x-y)^2 - z^2

d) 16x^4 - 81y^4

e) 25a^2 - 16a^2 b^2

Answer 1

14/22 X 3/9

Answer 2

Adam earned 60 points in a video game. He lost 50 points earned 67 points,then lost 20 more points. Write and evaluate an expression yo find his final score in the video game