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babymother [125]
3 years ago
9

Without actually performing the operations, determine mentally the coefficient of the x²-term in the simplified form of the foll

owing expression.
(-5²+3x-4) - (-2x²+x-3) + (-9x²+2x-5).

The coefficient of the x²-term is___.
please i really need help with this one i'm stuck.
Mathematics
1 answer:
zavuch27 [327]3 years ago
5 0

Answer:

-7

Step-by-step explanation:

Because there is no multiplication, it is just the x^2 terms. There is a -(-2x^2) and a -9x^2, so it is 2x^2 and -9x^2 or -7x^2, so the coefficient is -7.

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