Solve x2 + 12x = -20 by completing the square.
1.
Add to both sides of the equation. The...
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Mathematics, 29.05.2020 03:59 billey32
Solve x2 + 12x = -20 by completing the square.
1.
Add to both sides of the equation. The value of in this equation is
2. Write the left side of the equation as a binomial squared. The left side of the equation becomes
3. Use the square root property of equality.
4. Isolate the variable: x =
Done
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