7. lid fills his sports bottle with 1.2 liters of water After his bike ride he drinks milliliters of the water How much waters le
ft in Ed’s sports bottle
1 answer:
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Step-by-step explanation:
I hope this is right, I used demos
Answer:
16
Step-by-step explanation:
The number to add on both sides to complete the square is the square of the numerical coefficient that accompanies the term in "x", divided by 2.
That is in our case:
Therefore:
That way the left hand side of the equation becomes the perfect square of the binomial: (x+4).
You can also prove that such is correct by developing the square of the binomial: