Asked by john
Please Explain how to factor the following trinomials forms: x2 + bx + c and ax2 + bx + c in words.
Answers
Answered by
Steve
for x^2+bx+c you are looking for factors
(x+h)(x+k) = x^2 + (h+k)x + hk
So, you want to find two numbers h and k such that
h+k = b
hk = c
Same thing for the 2nd one, except that now you have to contend with factors of a as well.
(x+h)(x+k) = x^2 + (h+k)x + hk
So, you want to find two numbers h and k such that
h+k = b
hk = c
Same thing for the 2nd one, except that now you have to contend with factors of a as well.
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