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Tpy6a [65]
3 years ago
11

Find the zeros of the expression

Mathematics
2 answers:
nirvana33 [79]3 years ago
6 0
The answer is B. 4,-5,3
DiKsa [7]3 years ago
4 0
The answer is 4, -5, 3
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What is the factored form of the expression?<br><br> d^2 = 36d + 324
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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}.

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

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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

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