If Log2 (x2-4x-7) =2 find the value of x?
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hello there!!
ATQ,
x² - 4x - 7 = 2 × 2
x²- 4x -7 = 4
x²- 4x = 11
x( x-4) = 11
x = 11 , x = 15
hope it helps you
ATQ,
x² - 4x - 7 = 2 × 2
x²- 4x -7 = 4
x²- 4x = 11
x( x-4) = 11
x = 11 , x = 15
hope it helps you
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