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munekalove69ounxwv
22.02.2020 •
Mathematics
–5 + (8 + 10) = (–5 + 8) + 10
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Ответ:
13=13; infinitely many
Step-by-step explanation:
-5+(8+10)=(-5+8)+10
Simplify what is inside the parenthesis on both sides
-5+18=3+10
Simplify on both sides
13=13
Ответ:
In your situation,
f(x) + g(x) = (x/2 - 2) + (2x^2 + x -3)
Now, those parentheses are only there to show you where f(x) and g(x) went/came from.
But to finish simplifying that, you just need to combine like terms.
x + x/2 really means 1x + 1/2 x and that’s 3/2 x.
-2+(-3) = -5
So, you end up with 2x^2 + 3/2 x -5