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Earn +20 ptsQ: X2 plus 2x - 3
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What is the factorization of the trinomial below -x2 plus 2x plus 48?
-x2 + 2x + 48 = (-x - 6)(x - 8)
How do you factorise x squared plus 2x - 15?
17
What is the value of X2 plus X?
The answer would be 3x if 'X2' is '2x', but if 'X2' is x2, then the total answer would be x2 + x.
What is the simplified form of the quantity 15 x y squared over x squared plus 5x plus 6 all over the quantity 5 x squared y over 2x squared plus 7x plus 3?
((15xy2)/(x2+5x+6))/((5x2y)/(2x2+7x+3)) =(15xy2/5x2y)*(2x2+7x+3)/(x2+5x+6) =(3y/x)*(((2x+1)(x+3))/((x+2)(x+3) =(3y(2x+1))/(x(x+2)) =(6xy+3y)/(x2+2x)
What is 2 over x plus 1 over x squared?
2/x + 1/x2 = (2x+1)/x2
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