This question does not make sense.
If it should be X2 x 15X -54, the answer is:
X2 -15X + 54 = (X - 6)(X -9)
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Hard to tell without plus and minus signs. The answer will be some combination of 6 and 9, like (x + 6)(x + 9) or (x - 6)(x - 9)
x2 + 15x + 54 = (x + 6)(x + 9) or (x + 9)(x + 6) since 6*9 = 54 and 6 + 9 = 15However, commutativity is implicit in deriving this factorisation so that the two factorisations are the same.or factor by groupingx2 + 15x + 54= x2 + 6x + 9x + 54= (x2 + 6x) + (9x + 54)= x(x + 6) + 9(x + 6)= (x + 6)(x + 9)
The GCF is 15x.
3x
5x
x2 - 2x - 14 doesn't factor neatly. Applying the quadratic formula, we find two real solutions: 1 plus or minus the square root of 15x = 4.872983346207417x = -2.872983346207417