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musickatia [10]
3 years ago
5

(8x + 16) – (3x2 – 3x - 15) is equivalent to expression​

Mathematics
2 answers:
Dafna1 [17]3 years ago
6 0

Answer:

So we have: (8x+16)-(3x^2-3x-15)

We will start operating the parenthesis, so we will have to pass the - to the members of these  (we will have to change their sign):

(8x+16)-3x^2+3x+15

We can also removee the first parenthesis, as it doesn't change the meaning if it's or if it isn't::

8x+16-3x^2+3x+15^

Now, we will group the numbers

-3x^2+8x+3x+16+15

And we can now do the operations:

-3x^2+8x+3x+16+15=-3x^2+11x+16^

Naya [18.7K]3 years ago
5 0
If you subtract the two equations you should get -3x^2 +11x+31 .
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