Question
How do we know if a quadratic polynomial isn't factorable into two binomials? Just because you can't think of the two numbers that multiply to
How do we know if a quadratic polynomial isn't factorable into two binomials? Just because you can't think of the two numbers that multiply to c and add to b doesn't mean they don't exist, especially if the numbers are large.
Which of these two is factorable and which is not? Show/Explain how you know in each case:
a) x2 - 7x - 112
b) x2 + 9x - 112
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Auditing A Practical Approach
Authors: Robyn Moroney, Fiona Campbell, Jane Hamilton
4th Edition
0730382648, 978-0730382645
