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Earn +20 ptsQ: What is -x2 plus 6x plus 8?
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-x2 plus 6x plus 16?
-x2 + 6x + 16 = -(x2 - 6x - 16) = -(x - 8)(x + 2) = -(8 - x)(x + 2)
X2 plus 6x plus 8 equals?
The quadratic expression x2+6x+8 when factorised equals (x+2)(x+4)
What is the minimum of x2 plus 6x plus 8?
(-3,-1)
How do you factor 16 plus 6x minus x2?
16 + 6x - x2 = 16 + 8x - 2x - x2 = 8*(2 + x) - x*(2 + x) = (8 - x)*(2 + x)
How do you Factorise this x2 plus 6x?
x2 + 6x = x*(x + 6)
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