Find the value of C that makes the trinomial a perfect square
1 answer:
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(x + 7) (x - 4)
First, apply the FOIL method (a + b) (c + d) = ac + ad + bc + bd / Your problem should look like:
- 4x + 7x - 28
Second, gather the like terms. / Your problem should look like: + (-4x + 7x) - 28
Third, simplify. / Your problem should look like: + 3x - 28
Answer: + 3x - 28
First, apply the FOIL method (a + b) (c + d) = ac + ad + bc + bd / Your problem should look like:
Second, gather the like terms. / Your problem should look like:
Third, simplify. / Your problem should look like:
Answer: