s633210
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What is the solution set of x2 – 10 = 30x?
A. {–220, 250}
B. {–250, 220}
C. {15 – StartRoot 235 EndRoot, 15 + StartRoot 235 EndRoot}
D. {–15 – StartRoot 235 EndRoot, –15 + StartRoot 235 EndRoot}

Respuesta :

Answer:

15+sqrt(235), 15-sqrt(235)

Step-by-step explanation:

X^2-30x-10=0

Use quadratic formula (b+-sqrt(b^2-4(a)(c)))/(2(a))

a=1, b=-30, c=-10

yajackup

Answer:

C

Step-by-step explanation:

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