3 years ago

Idk how to do this and I need it in an hour

Mathematics

1 answer:

olchik [2.2K]3 years ago

4 0

Answer:

a) $2x^2+8-5x+-3x^2-4+7x\\\\= -1x^2+2x+4$

b) $2x^2+8-5x--3x^2-4+7x\\\\= 5x^2+2x+4$

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