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krok68 [10]
2 years ago
13

Find the sum: The blanks r subtraction signs

Mathematics
1 answer:
Evgen [1.6K]2 years ago
6 0

Answer:

8x^2+6x-17

Step-by-step explanation:

All that we have to do is add the 3 and 5 so it's basically like combining like terms. So the first blank is 8.

Now we add the x and the 5x which is 6x, all we're doing is adding the x's.

Now we do add the two negative 10 and 7. So what is -10 + - 7 we add them normally but we'll still have the negative in front of them. So it's -17.

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