Answer:
5x-10=2x+20(alternative) ans10
4x+10=2x+20(corresponding) ans 10
4x^2-25 of multiple
add ans 5x^2-5x+5
subtract ans 2a^2-7a+12
if value ans 6
square is 25x-9
cube is 4a-25
5.2m questions
6.8m answers