Answer:
c =
Step-by-step explanation:
To make a perfect square
add ( half the coefficient of the x- term )² to x² + 5x
x² + 5x + ( )²
= x² + 5x +
= (x + )² ← a perfect square
Angie's puppy weighed 3 kg when she first got it two years later it weighed 9 kg . how many grams did the puppy gain.
1 answer:
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