kelly226
someone hlp me!!!?? please?!!
–4b – 8 + –1 – b² + 2b³ ; b = –2



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nphuongsun93
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substitute b = 2 and try to solve step by step?

kelly226
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yeah.. do u no how?

nphuongsun93
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4(2)8 + 1  (2)^2 + 2(2)^3

kelly226
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what do u do next?

nphuongsun93
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for exampe
4(2)8
88
0

kelly226
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is that the answer?

kelly226
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is the answer 0?

nphuongsun93
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no, it's only part on the
4(2)8 + 1  (2)^2 + 2(2)^3
0 + 1  (2)^2 + 2(2)^3

kelly226
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so how do u get the answer?

nphuongsun93
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keep solving, add/minus/multiplying/dividing

kelly226
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ok

isaiah993
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is it 21

isaiah993
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@nphuongsun93

nphuongsun93
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no

nphuongsun93
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4(2)8 + 1  (2)^2 + 2(2)^3
0 + 1  (2)^2 + 2(2)^3
0 + 5 + (16)
5  16
~

isaiah993
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oh 516 i did 5 +16

isaiah993
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its 11

nphuongsun93
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no i't s 11 lol

isaiah993
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oh ok