Economy, asked by sherpasoni572, 6 months ago

(iii) If x + (x2 - 9) =4, find the value of x-1(x2 - 9)

Answers

Answered by khushikanak200346

0

Explanation:

you mest be question 20

Answered by Karamjotkaur

2

Answer:

the value of x-1(x2 - 9) = 0

x3 - 9x - x2 + 9 = 0

x3 - x2 -9x + 9 = 0

x2(x-1) -9(x-1) = 0

(x2-9) (x-1) = 0

x2 = 9 , x = 1

x=+- 3 , x =1

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