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  • 16-05-2020
  • Mathematics
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PLS HELP WITH MATH, ITS EASY AND I NEED AN EXPLANTION!!

PLS HELP WITH MATH ITS EASY AND I NEED AN EXPLANTION class=

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MathPhys
MathPhys MathPhys
  • 16-05-2020

Answer:

Divide by 2 and square the result

Step-by-step explanation:

To complete the square of y = x² + bx, divide b by 2 and square the result, then add to both sides.

For example, if y = x² + 2x, then you add (2/2)² = 1 to both sides.

y + 1 = x² + 2x + 1

y + 1 = (x + 1)²

y = (x + 1)² − 1

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