A = -10 b = 12 c = -9
x = [-12 +- sq root (144 - 4*-10*-9)] / -20
x = [-12 +- sq root (144 -360)] / -20
x1 = 3/5 + (14.7 i / -20)
x2 = 3/5 - (14.7 i / -20)
Answer:
0.3
Step-by-step explanation:
The answers are (-3, -4) and (-5, -4).
Answer: 5,000,000+600,000+70,000+8,000+200+9
Step-by-step explanation:
Answer:
x=<u>+</u>
Step-by-step explanation:
Quadratic function =( -b<u>+</u>
)/2a
x^2+x+2-y=0
x=-1<u>+</u>
/2
x=-1<u>+</u>
/2
x=<u>+</u> 
Pretty sure this is right. Would appreciate a brainliest