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x²+6x+9=49 x²+6x-40=0 x1=-6/2 - Square root of ((6/2)²+40) x1=-3 - 7 x1= -10 x2=-6/2 + Square root of ((6/2)²+40) x2=-3 + 7 x2= 4

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โˆ™ 2009-05-12 07:49:00
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Q: X2 plus 6x plus 9 equals 49?
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X2 plus 6x plus 8 equals?

The quadratic expression x2+6x+8 when factorised equals (x+2)(x+4)


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