H(x)=-4.9^2+20x+2

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Solution for H(x)=-4.9^2+20x+2 equation: 



(H)=-4.9^2+20H+2

We move all terms to the left:

(H)-(-4.9^2+20H+2)=0

We get rid of parentheses

H-20H-2+4.9^2=0

We add all the numbers together, and all the variables

-19H+22.01=0

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

-19H=-22.01

H=-22.01/-19

H=1+2.980198019802/18.811881188119

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