Question

T² +8st + r²

T=11 r=2 s=3

Answer 1

Explanation:

Following PEMDAS:

`11^2+8*3*11+2^2\\121+8*3*11+4\\\\121+24*11+4\\121+264+4\\389`

Answer 2

389.

Explanation:

1. Write the expression.

`t^2+8st+r^2`

2. Substitute the variables by the given values.

`(11)^2+8(3)(11)+(2)^2`

3. Simplify the exponents.

`121+8(3)(11)+4`

4. Multiply.

`121+(264)+4`

5. Add and subtract.

`389.`