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ZanzabumX [31]
3 years ago
9

How to factor 4x^2+ 40x+85

Mathematics
1 answer:
spin [16.1K]3 years ago
6 0
4x^2+40x+85 There are no like terms.
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What is the value of x in the equation x+7=−213 x+7=−2
MariettaO [177]

Answer:

Step-by-step explanation:

⅓x + 7 = -2

isolate the x term by subtracting 7 from both sides

⅓x = -9

Multiply both sides by 3

x = -27

6 0
3 years ago
A Recipe calls for 1/2 cup of tomatoes for everyone 1/8 cups of jalapeños if you accidentally poured in 1 1/2 cups of tomatoes h
slavikrds [6]

Answer:

She should use 3/8 cup of jalapenos.

Step-by-step explanation:

This is because 1 1/2 is three times of 1/2 so you times 1/8 by three as well which equals to 3/8 cup of jalapenos.

8 0
3 years ago
Read 2 more answers
Help me Please!
gavmur [86]
X=3n-3
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7 0
2 years ago
Find the value of c so that (x+2) is a factor of the polynomial<br><br> p(x)=3x^4-x^2+cx-2
DedPeter [7]
Using polynomial long division, we get
         
         3x^3+6x^2+11x
         _____________
(x+2) | 3x^4-x^2+cx-2
          -(3x^4+6x^3)
          ____________
             6x^3-x^2+cx-2
          - (6x^3+12x^2)
         _____________
        11x^2+cx-2
      -(11x^2+22x) 
       __________
        (22+c)x-2. 

If you're wondering how I did the long division, what I essentially did was get the first value (at the start, it was 3x^4) and divided it by the first value of the divisor (which in x+2 was x) to get 3x^3 in our example. I then subtracted the polynomial by the whole divisor multiplied by, for example, 3x^3 and repeated the process.

For this to be a perfect factor, (x+2)*something must be equal to (22+c)x-2. Focusing on how to cancel out the 2, we have to add 2 to it. To add 2 to it, we have to multiply (x+2) by 1. However, there's a catch, which is that we subtract whatever we multiply (x+2) by, so we have to multiply it by -1 instead. We still need to cross out (22+c)x. Multiplying (x+2) by -1, we get
(-x-2) but by subtracting the whole thing from something means that we have to add -(-x-2)=x+2 to something to get 0. x+2-x-2=0, xo (22+c)x-2 must equal -x-2, meaning that (22+c)=-1 and c=-23
4 0
3 years ago
Tony needs to ship 12 comedy DVDs, 24 animated DVDs, and 30 musical DVDs. He can pack only one type of DVD in each box and he mu
suter [353]

Answer:

6 items of each type in each box

Step-by-step explanation:

3 0
3 years ago
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