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lawyer [7]
3 years ago
6

7x2+49x+84=0 by completing the square method

Mathematics
1 answer:
Sloan [31]3 years ago
8 0

Answer:

x=-2

Step-by-step explanation:

7x2+49x+84=0

14+49x+84=0

49x+98=0

49x=-98

x=-98/49

x=-2

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Adante begins to evaluate the expression 3 1/3 x 5 1/4 using the steps below
il63 [147K]

Answer:

\frac{35}{2}

Step-by-step explanation:

To solve this problem we need to write the mixed fraction as a fractional number, as follows:

3 1/3 = 3 + \frac{1}{3} = \frac{9+1}{3} = \frac{10}{3}

5 1/4 = 5 + \frac{1}{4} = \frac{20+1}{4} = \frac{21}{4}

Then, evaluating the expression:

\frac{10}{3}×\frac{21}{4} = \frac{210}{12} =  \frac{35}{2}

4 0
3 years ago
Simpify the expression.<br>5+4z-2z<br><br>Simpilfied expression ​
Dafna11 [192]

Answer:

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Step-by-step explanation:

you have to combine like terms

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hope this makes sense and helps :)

tell me if you have any questions

4 0
2 years ago
Read 2 more answers
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Harrizon [31]

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clck my profile and answer my question


5 0
3 years ago
Need answer to. Add 3x-3and4x^2-6x
Dahasolnce [82]
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do u want  more simplified form ?
7 0
3 years ago
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If he took 5 steps forward and then 5 steps backwards he would be at his starting position
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