Solve for b
b=-42.5
Assign b
b≔-42.5
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b=\sqrt{189.0625}-7.5^{2}
Calculate 13.75 to the power of 2 and get 189.0625.
b=13.75-7.5^{2}
Calculate the square root of 189.0625 and get 13.75.
b=13.75-56.25
Calculate 7.5 to the power of 2 and get 56.25.
b=-42.5
Subtract 56.25 from 13.75 to get -42.5.
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