Math, asked by mayurav8, 9 months ago

answer the above question​

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Answered by biswajit1584
2

Step-by-step explanation:

3(x-2)10=507

(x-2)²=507/3

x²-4x+4=169

x²-4x-165=0

x²-(15-11)x-165=0

x²-15x+11x-165=0

x(x-15)+11(x-15)=0

(x+11)(x-15)=0

x will have two values -11 and 15 since option has positive values , -11 is rejected

So the answer is 15

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