sboyd2521
sboyd2521
12-07-2018
Mathematics
contestada
-2x^3-3x^2+4 for x= -2
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st4rgrl
st4rgrl
12-07-2018
The answer is 8.
Substitute x for -2 and solve with pemdas, starting with the exponents.
-2x³-3x²+4
-2(-2)³-3(-2)²+4
-2(-8)-3(4)+4
16-12+4
8
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