dinafunaro dinafunaro
  • 08-12-2020
  • Mathematics
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please answer! giving brainliest

please answer giving brainliest class=

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serenavass
serenavass serenavass
  • 08-12-2020

Answer:

d .

x=11

Step-by-step explanation:

ML and JK are chords of the circle

MN*LN=JN*KN

(x-7)*(x+21)=(x+5)*(x-3)

x^2+21x-7x-7*21=x^2-3x+5x-5*3

x^2+14x-147=x^2+2x-15

x^2-x^2+14x-2x=147-15

12x=132

x=132/12=11

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