How to arrange this equation?

label Mathematics
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The equation is in the picture.

Nov 18th, 2014

h1 : g t12/2 +7.5 =g(t1+0.15)2/2+4.5

3 = g(t1+0.15)2 –gt12 = g(0.3t1+0.0225)

3 = g(0.3t1+0.0225)

0.3t1+0.0225 = 3/g =3/9.8

0.3t1 = 3/9.8 -0.0225

t1 =(3/9.8-0.0225)/0.3= 0.283622/0.3 = 0.9454

h2 :  g t12/2 +1.2 =g(t1+0.12)2/2

1.2= g(t1+0.12)2 –gt12 = g(0.24t1+0.0144

0.24t1+.0144 = 1.2/9.8

0.24t1=1.2/9.8 -0.0144

t1 = (1.2/9.8-0.0144)/0.24=0.108049/0.24 =0.4502


Nov 18th, 2014

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Nov 18th, 2014
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Nov 18th, 2014
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