Simplify the expression.
(2+3i)^2

-5+12i

Step-by-step explanation:

(2+3i)^2

2^2+2×2×3i+(3i)^2

4+2×2×3i+(3i)^2

4+2×2×3i+3^2i^2

4+2×2×3i+9i^2

4+2×2×3i+9×-1

4+12i+9×-1

4+12i-9

(4-9)+12i

-5+12i

A. full line across label 6 inches

B. Full line across label 10 inches

C. Full line across label 12 inches

Part B:

A. 18.84 inches

B. 31.4 inches

C. 37.68 inches

Step-by-step explanation:

Hope this helps