Which expression is equivalent to 2x+3y-5x2-10y+7x2

Your answer would be:

2x^2 - 7y + 2x

Hope this helps! :)

Ifound this on google “that means that the graph of a function with direct variation has these features: it is a straight line: because the slope is the ratio y/x = k. it passes through the origin (0,0): because y = kx = k (0) = 0.” i hope this you for what your looking for