there's an unending number of methods for speaking to a similar expression. The test is that my application is approving responses to math issues, contribution by math understudies rehearsing a specific idea. I'd jump at the chance to ensure that at whatever point they present an answer, the checker is totally uncaring to the issues of requesting, rearrangements, organizing and so on which would be plain baffling. I'd additionally in a perfect world get a kick out of the chance to bolster more than one variable, for example, x, y, z in a similar expression.