Question

2x^2 - x = 10

Answer 1

first you move the 10 over the = sigh and you get -10

Simplifying
2x2 + -1x + -10

Reorder the terms:
-10 + -1x + 2x2

Solving
-10 + -1x + 2x2

Solving for variable 'x'.

Factor a trinomial.
(-2 + -1x)(5 + -2x)

Answer 2

if someone is nice enough to give you the answer you should at least give them a medal for their effort