Step-by-step explanation:
ax2 + bx + c = 0
x12 = (-b ± √D) / 2a , D = b2 - 4ac .
5x2 + 7x + 3 = 0
a = 5 , b = 7 , c = 3
D = 49 - 60 = - 11 , x1 = (-7 - i √11) / 10
x2 = (-7 + i √11) / 10
Answer:
Step-by-step explanation:
Given
Required
Solve
Open brackets
Collect like terms
Answer:
A
Step-by-step explanation:
it is y=-1/2x-4 for sure.
Well area triangler area is multiplied by 3 after you multiply the other numbers