Question

Addition of 5x2 - 2x2 + 6x -3, -3.23 + 2x2 + 2 and
523 +72 +15 is​

Answer 1

six hundred point seventy seven

600.77

Answer 2

Answer:

$5x {}^{2} - 2x {}^{2} + 6x - 3 + ( - 3.23) + 2x {}^{2} + 2 + 523 + 72 + 15 \\ = 5x {}^{2} - 2x {}^{2} + 2x {}^{2} + 6x - (3 + 3.23) + 2 + 523 + 72 + 15 \\ = 5x {}^{2} + 6x - 6.23 + 612 \\ = 5x {}^{2} + 6x + 605.77$