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Answer:
21
Step-by-step explanation:
So discriminant is being counted from that equation:
b^2-4ac = 36-36 = 0
As discriminant is 0, then there is just 1 root -> -b/2a = 6/2 = 3.
Answer:
you muliply first 9×7 and then carry the remainder to the other side and then 9×2 and add the remainder
The area is 13.
I think you were on the right track there. The area of the one on the bottom is 4*1, or 4. The area of the top upright rectangle is 9*1, or 9. 9+4=13.
