Question

16х²-121=0 пж срочно

Answer 1

16х² - 121 = 0,

16х² = 121,

х² = 121/16,

х = ±√(121/16),

х = ±11/4,

х1 = 2 3/4,  х2 = -2 3/4

Answer 2

To solve the quadratic equation 16x² - 121 = 0, we can use the method of factoring:

Step 1: Move all terms to one side of the equation to set it equal to zero: 16x² - 121 = 0

Step 2: Recognize that this is a difference of squares since 121 is a perfect square (11²): (4x + 11)(4x - 11) = 0

Step 3: Set each factor equal to zero and solve for x:

1. 4x + 11 = 0 4x = -11 x = -11/4

2. 4x - 11 = 0 4x = 11 x = 11/4

So the solutions to the equation are: x = -11/4 and x = 11/4.

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