Answer:
3.89 and -0.39.
Step-by-step explanation:
To find the answer we need to find what is what based of ax squared plus/minus bx + c = 0. A is 2, b is -7, and C is - 3. Now using the formula -b plus minus square root of b squared minus 4 time a time c all divided by 2a.
Answer:
c
Step-by-step explanation:
Answer:
1)247 + 211 = 458
2)458 - 211 = 247
Step-by-step explanation: