Complete the following exercise:
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Complete the following exercise:
To solve the equation , we can apply the zero-product property, which tells us that if a product of two factors is zero, at least one of the factors must be zero.
Let us proceed with each factor:
Therefore, the solution to the equation is .
Upon reviewing the provided choices, the correct answer that matches our solution is: (Option 2).
Solve:
\( (2+x)(2-x)=0 \)
By definition, the square root symbol always gives the principal (non-negative) square root. Since , this equation has no real solution.
When you have , either A = 0 or B = 0 (or both). So set each factor equal to zero: and .
Yes! You can recognize this as , which gives , so . Both methods work!
Always verify by substitution! When , we get , so the equation becomes ✓
Squaring both sides eliminates the square root: becomes . This is the standard method for solving square root equations!
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