H=-4.9T^2+18.9t+2.8

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Solution for H=-4.9T^2+18.9t+2.8 equation: 



=-4.9^2+18.9H+2.8

We move all terms to the left:

-(-4.9^2+18.9H+2.8)=0

We get rid of parentheses

-18.9H-2.8+4.9^2=0

We add all the numbers together, and all the variables

-18.9H+21.21=0

We move all terms containing H to the left, all other terms to the right

-18.9H=-21.21

H=-21.21/-18.9

H=1+1/8.1818181818182

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