vijaykramesh/khan-exercises — comment on commit 6a0e44b68d3adb6c6ddc23cb6338ffba1e6ac7b4
File: exercises/converting_between_point_slope_and_standard_form.html line 30
By smenks13:

Since there's no need to multiply the expression out if the slope is 1, I'd do a `

` here.