2x^2+2x-14
(-2 +- sqrt(2^2 -4(2)(-14))/2(2)
simplifies to
+- sqrt 29
So your answers would be, sqrt(29), and, -sqrt(29)
(x - 2)(2x + 7)
2x2 + 2x = 2x(x+1)
use the calculator
-x2+2x
4
7x2 -4x -5x2 +2x = 2x2 -2x
(2x - 5)(2x - 5) or (2x - 5) squared
(x - 1)(2x^2-1)
2x(x^2+x-6)
It is: 4x squared
(2x+3)(2x+4)
(2x+10)(x+4)