Simplify (5x to the power of 2 + 3x + 4) + (5x to the power of 2 + 5x − 1).
10x to the power of 2 + 8x + 5
25x to the power of 2 + 8x + 3
10x to the power of 2 + 8x + 3
10x to the power of 2 + 8x − 3