Question

What equation is equivalent to x2 + 20x + 81 = -27? Can you show me how you got the answer please

Answer 1

The equivalent equation is x² + 20x = -102

Simplification of quadratic equation

The equivalent equation can be obtained by factorizing or simplifying the given quadratic equation as shown below;

x² + 20x + 81 = -21

collect similar terms together

x² + 20x + 81 + 21 = 0

x² + 20x + 102 = 0

The equation can also be written as x² + 20x = -102

Thus, the equivalent equation is x² + 20x = -102

Learn more about simplification of quadratic equation here: brainly.com/question/1214333