What the value of x when x2 = 121
Solution: square root both sides which will give x a value of 11
So: x = 11
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A quadratic equation normally has 2 solutions and can be solved by using the quadratic equation formula.
By using the quadratic equation formula
By using the quadratic equation formula or by completing the square
To find the solution to this equation, you need to rearrange the terms and solve for the variable. 4 = 2b + b^2 can be rewritten as b^2 + 2b - 4 = 0. You can then solve this quadratic equation by factoring, completing the square, or using the quadratic formula.
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