Answer:
Step-by-step explanation:
Here the coefficients are a = 2, b = 3 and c = -7.
Thus, the discriminant b²-4ac is 3²-4(2)(-7), or 9 + 56 = 63.
Because the discriminant is positive, we know we have two real, different roots. They are:
-3 ± √63 -3 + 3√7 -3 - 3√7
x = ---------------- = ----------------- and x = -----------------
2(2) 4 4
