What is 12x squared - 9x + 15
12x² - 9x + 15It can be written as . . .3 ( 4x² - 3x + 5 )but that's just a different way to write the same thing. It doesn't tell you anything new, until you know what number 'x' is.
\(12x^2 - 9x + 15 = 3(4x^2-3x+5)\)