<span>According to the lecture, a valedictory speech should last approximately 15 minutes. </span>
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<h3>"Expanded form" is basically, setting it up in a addition form to give you that result</h3>
![4 = 400,000 \\ 0 = 0 \\ 3 = 3,000 \\ 8 = 800 \\ 9 = 90 \\ 2 =2 \\ \\ \\ \\ Answer: 400,000 + 0 + 3,000 + 800 + 90 + 2](https://tex.z-dn.net/?f=%204%20%3D%20400%2C000%20%5C%5C%20%200%20%3D%200%20%5C%5C%203%20%3D%203%2C000%20%20%5C%5C%208%20%3D%20800%20%5C%5C%209%20%3D%2090%20%5C%5C%202%20%3D2%20%5C%5C%20%5C%5C%20%5C%5C%20%5C%5C%20Answer%3A%20%20400%2C000%20%2B%200%20%2B%203%2C000%20%2B%20800%20%2B%2090%20%2B%202%20%20)
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Answer:
The value is ten thousands
Step-by-step explanation:
One thing wrong is there is not closing parenthasees after x+1
and also, if you multiply it out, the answer is not 8x^2-8x-16 so the factored form given is worng
the real factored out form is 8(x-2)(x+1)
that person forgot the 8 in the front
Answer:
Step-by-step explanation:
0.32142857142