Question

14. 2^2+ + 5x = 5x + 50

Answer 1

x = -5 ∨ x = 5

Explanation:

`\bold{2x^2 + 5x= 5x +50}\\\\{}\ \ -5x\qquad -5x\\\\\bold{2x^2\ =\ 50}\\\\/2\quad\ \ /2\\\\\bold{x^2=25}\\\\\bold{x=5\quad\vee\quad x=-5}`