If a is 4 and b is 6, what is the value of this expression? sqrt(a^2+2b-3)

Plug in our values for a and b:

sqrt(4^2+2(6)-3)

sqrt(16 + 12 - 3)

sqrt(25)

Plug in our values for a and b:

sqrt(4^2+2(6)-3)

sqrt(16 + 12 - 3)

sqrt(25)

**5**

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