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Vedmedyk [2.9K]
3 years ago
12

Identifying the Factored Form of a Trinomial Which expression is the factored form of x2 – 7x + 10?

Mathematics
1 answer:
HACTEHA [7]3 years ago
5 0
Let's call x^2: a; -7x: b; and 10:c
So what I do in this case:
when the number squared does not have a coefficient in front, I ask myself, what does A times C equal
the answer is 10 --> now what factors of ten, add up to -7 (the factors can be negative and/or positive)
the answer is -2 and -5
so with this, you do: (x-2)(x-5)
there's your answer, i hope that makes sense
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