x2 + 26x + 48 = (x + 24)(x + 2)
(x2 + 26x +) : syntax error.x2 + 26x
x2+36x+120 (x+6)(x+20)
x2 + 2x - 48 = x2 + 8x - 6x - 48 = x(x + 8) - 6(x + 8) = (x - 6)(x + 8)
x2+26x = 68 x2+26x-68 = 0 (x+13)2-68 = 0 (x+13)2-169-68 = 0 x+13 = +/- the square root of 237 x = -13 +/- the square root of 237
-x2 + 2x + 48 = (-x - 6)(x - 8) = -(x + 6)(x - 8)
x2 + 14x + 48 = (x + 8)(x + 6)
-x2 + 2x + 48 = (x +6)(8 - x)
-x2 + 2x + 48 = (-x - 6)(x - 8)
x2 + x2 = 48 2x2 = 48 x2 = 24 x = √24 x = 2√6
-x2 + 2x + 48 = (-x - 6)(x - 8)
x3 + x2 + 4x + 4 = (x2 + 4)(x + 1)
x + 4