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melisa1 [442]
3 years ago
10

Helppppppppppppppppppppppppppppppppp

Mathematics
1 answer:
Anestetic [448]3 years ago
3 0
What is your question hunn
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What is the factored form of the expression?<br><br> d^2 = 36d + 324
Veseljchak [2.6K]

Answer:

(x-43.45)(x+7.45)=0

Step-by-step explanation:

We have the quadratic equation d^{2}=36d+324  i.e. d^{2}-36d-324=0

As, the roots of the quadratic equation ax^{2}+bx+c=0 are given by x=\frac{-b\pm \sqrt{b^{2}-4ac}}{2a}.

So, from the given equation, we have,

a = 1, b = -36 , c = -324.

Substituting the values in x=\frac{-b\pm \sqrt{b^{2}-4ac}}{2a}, we get,

x=\frac{36\pm \sqrt{(-36)^{2}-4\times 1\times (-324)}}{2\times 1}

i.e. x=\frac{36\pm \sqrt{1296+1296}}{2}

i.e. x=\frac{36\pm \sqrt{2592}}{2}

i.e. x=\frac{36\pm 50.9}{2}

i.e. x=\frac{36+50.9}{2}  and x=\frac{36-50.9}{2}

i.e. x=\frac{86.9}{2}  and x=\frac{-14.9}{2}

i.e. x = 43.45 and x = -7.45

Thus, the roots of the equation are 43.45 and -7.45.

Hence, the factored form of the given expression will be (x-43.45)(x+7.45)=0

3 0
3 years ago
3x and 2 are each a(n) ___ in the expression 3x + 2 and the equation 3x + 2 = 8
Amanda [17]

Answer:

The answer is term

Step-by-step explanation:

Glad i could help

5 0
2 years ago
brainly is the best app in the whole world) sam has 5 dollars he works for 5 hours and he earns 900 dollars and hour how much mo
saveliy_v [14]

Answer:

Sam has $900 more money. In total he now has $905.

5 0
2 years ago
A carton of milk has 4 cups left. If each serving of milk is 1/2 of cup, how many servings are left
hjlf

Answer:

lol

Step-by-step explanation:

lol

7 0
3 years ago
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How do you solve for x: -(4 - x) = 3/4 (x - 6)?
pav-90 [236]
I honestly don’t know I am just doing this because I need to ask a question hope I helped
5 0
3 years ago
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