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amm1812
2 years ago
7

Find the solution to m^2+9m=0

Mathematics
2 answers:
olga_2 [115]2 years ago
8 0
M^2 + 9m = 0

m(m + 9) = 0

m= 0 or m + 9 = 0

m = -9

m= 0 or m = -9 (final answer)
sladkih [1.3K]2 years ago
5 0
<h3>Answers:  m = 0 or m = -9</h3>

Work Shown:

m^2+9m=0

m(m+9)=0

m = 0 or m+9 = 0

m = 0 or m = -9

For more information, check out the topics about factoring and the zero product property.

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Consider the function f(x)=x3+15x2+74x+120. If f(x)=0 for x=−6, for what other values of x is the function equal to 0? List the
jasenka [17]

Answer:

other x values are -5,-4

Step-by-step explanation:

f(x)=0 for x=−6

Apply synthetic division to get the quotient . using that we find other two values of x

-6                1           15             74          120

                   0          -6           - 54          -120                    

                  -------------------------------------------------

                    1           9             20         0

the quotient is x^2+9x+20=0

now factor the left hand side, product is 20 and sum is 9

x^2+9x+20=0\\(x+5)(x+4)=0\\x+5=0 , x=-5\\x+4=0, x=-4

So  other x values are -5,-4

8 0
3 years ago
Solve the equation 4x^2-12x=7 algebraically for x.
ss7ja [257]
                            4x² - 12x = 7
                                      - 7  - 7
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                4x² + 2x - 14x - 7 = 0
2x(2x) + 2x(1) - 7(2x) - 7(1) = 0
          2x(2x + 1) - 7(2x + 1) = 0
                    (2x - 7)(2x + 1) = 0
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           + 7 + 7                 - 1  - 1
             2x = 7                 2x = -1
              2     2                  2      2
               x = 3¹/₂      or       x = ⁻¹/₂
7 0
3 years ago
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Suppose that a student has $150 in a band savings account at the start of the school year. Calculate the change in that savings
Iteru [2.4K]
Total after interest would be $157.5
8 0
3 years ago
Plz help, I don't get it
amm1812


Step-by-step explanation:

(a+b)^{2} =a^{2} +2ab+b^{2}

e.g.

(x+9)^{2} =x^2+2(x)(9)+81

(x+9)^{2} =x^2+18x+81                            


8 0
3 years ago
There are 22 pieces of friut in a bowl and 8 of them are apples.what percentage of the pieces of fruit in the bowl are apples
Hatshy [7]

Answer:

36.36 (Repeating bar over the decimal .36)

Step-by-step explanation:

5 0
3 years ago
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