Answer:
the one in black
Step-by-step explanation:
x²-6x=7
We need to complete square
x²-2*3x+3²=7+3²
x²-6x+9 =7+9
(x-3)² = 16
√(x-3)²=+/-√16
x-3=+/-4
x-3=4 and x-3=-4
x=7, Largest
x= - 1 , Smallest
Answer:
its b
Step-by-step explanation:
read it
Answer:
9
Step-by-step explanation:
