Marlene L. answered • 03/31/20
Tutor
4.9
(814)
Teaching Math on the Middle-School through College Levels
4(c - 12)(c + 3/4) = 4(c^2 -12c + 3c - 9). This simplifies to 4c^2 - 36c - 36.
Elizabeth R.
asked • 03/31/20what is the quadratic equation that has a leading coefficient of 4 and solutions 12 and -3/4
More
1 Expert Answer
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
Edward A.
Marlene and Elizabeth, when you substitute 12 for c, you don’t get zero. The cause of this error is that the FOIL has an typo , it should be: 4(c - 12)(c + 3/4) = 4(c^2 -12c + 3c/4 - 9).03/31/20