If you mean: x2+5x+4 = 0 then the solutions are x = -1 and x = -4
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2x+5x-24 7x2-24
x^2 + 5x - 24 = (x - 3)(x + 8)
(x-3)(x+8)
To solve for x: x2 = 5x + 2 x2 - 5x = 2 x2 - 5x + (5/2)2 = 2 + (5/2)2 (x - 5/2)2 = 8/4 + 25/4 x - 5/2 = ± √(33/4) x = (5 ± √33) / 2
x2+5x+6 = (x+2)(x+3) when factored because 2 and 3 are factors of 6