Some models are englargements of the original object
t or f ?

What does x = in this equation x+3+2x=x+5

Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^2

Need plz been trying to do it for a long time and still haven’t succeeded