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Sagot :
Answer:
Find the factors of c that add up to b.
Step-by-step explanation:
For example, if you were factoring
x^2 + 12x + 35
a=1
b=12
c=35
In order to factor, we're looking for what multiplies to 35, and adds up to 12. What multiplies to 35 are the factors of 35. In this case its 5 and 7.
5 × 7 = 35
5 + 7 = 12
So you could factor
x^2 + 12x + 35
= (x + 5)(x + 7)
- If a equation be ax^2+bx+c
Leading coefficient=a=1
So
the equation becomes
- x^2+bx+c
- Now find the factors of c that can add up to b
Usually we find factors of ac but as a is 1 so it yields c only
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