(x+5)(x+6) equals x^2 +11x+30
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-5x + 4x = -6 Combining like terms: -x = -6 Multiplying by -1 (or switching signs): x = 6
x is greater than or equal to 5.
x2 + 5x + 6 = (x + 2)(x + 3)
5x + 2 = x + 6 Subtract x from both sides: 4x + 2 = 6 Subtract 2 from both sides: 4x = 4 Divide both sides by 4: x = 1
x2 + 5x + 3 = 9 x2 + 5x - 6 = 0 (x + 6)(x - 1) = 0 x = -6 or x = 1