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Answers by Tim L.

I am having a problem solving 2x^2-9x+4 (answer)

There is no need to assume the expression is equal to zero.   Instead assuming the expression is equal to an unknown y will be your best analytical guide for future advanced math classes including calculus. 2x^2 - 9x + 4 is factorable to (2x-1)(x-4) as my fellow tutors...

4x -3y + 2 + 112x + y - 4z = -1x + 2y -2z = 1 (answer)

Khalid, What if you rewrote it like this:          116x - 2y - 4z + 2 = 1  +       - 1x +2y - 2z + 0 = 1 ----------------------------- the best you can do is simplify the answer as z(x) I don't want to cheat and give...