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Usually, you would find two numbers that multiply to 12 (c) and add to make 2 (b).
However, there are not any nice numbers that work, so you must use the quadratic formula.
x = -b ±√b2 - 4ac
___________
2a
where a = 1 b = 2 and c = 12 if the expression is x2 + 2x + 12
The square root in the equation is over b2 - 4ac.
Solve for x, and then put in factored form : (x - root1)(x - root2)
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One factor of x2-2x-24 is?
x2-2x-24 when factorised = (x+4)(x-6)
Factor the polynomial expression x2 - 2x - 24?
x2 - 2x - 24 = (x - 6)(x + 4)
What does x squared - 2x factor out to?
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Which expression is a factor of x2 plus 2x-15?
x2+2x-15 = (x+5)(x-3) when factored
How do you factor x2-2x?
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What is 2x squared plus 2x minus 24 in factored form?
Factor out a 22(X2 + X - 12)2(X - 3)(X + 4)===========
