factorize n² + 121n - 4986
Answers
Answer:
The first term is, n2 its coefficient is 1 .
The middle term is, +121n its coefficient is 121 .
The last term, "the constant", is +4986
Step-1 : Multiply the coefficient of the first term by the constant 1 • 4986 = 4986
Step-2 : Find two factors of 4986 whose sum equals the coefficient of the middle term, which is 121 .
-4986 + -1 = -4987
-2493 + -2 = -2495
-1662 + -3 = -1665
-831 + -6 = -837
-554 + -9 = -563
-277 + -18 = -295
For tidiness, printing of 18 lines which failed to find two such factors, was suppressed
Observation : No two such factors can be found !!
Conclusion : Trinomial can not be factored
Final result :
n2 + 121n + 4986
Step-by-step explanation:
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