3 years ago

Which polynomial is twice the sum of 4x^2 – 1 + 1 and - 6x^2+ x - 4?

Mathematics

1 answer:

kap26 [50]3 years ago

8 0

Answer:

Step-by-step explanation:

The sum of these two polynomials is - 2 x^2 - 3. the two x variables are additive inverses and -6 x^2 and 4 x^2 equal - 2 x^2 and -3 results from -4 and 1

Multiplying the sum by 2 gives us - 4 x^2 - 6 . Answer 3

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3 years ago

7/8 - 1/4 - 1/2= ??

madreJ [45]

Step-by-step explanation:

We can break this up into pieces, first we do, 7/8 - 1/4, find the least common denominator which is 8, so the equation will be 7/8 - 2/8, which we can now subtract and will give us, 5/8, now that we have done that, we can do 5/8 - 1/2. Since we know that half of 8 (our denominator) is 4. Then the equation would be 5/8 - 4/8, which brings us to 1/8 as our final answer.

Cheers!

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