Use the quadratic formula .
x^2-2x+11=0
a=1
b=-2
c=11
x=-2+- (-2)^2-4*1*11 divided by 2
x=2+- the square root of -40 divided by 2
There is no real solutions
Answer: A
Step-by-step explanation:
19+13x+32
13x=32-19
13x=13
x=1
Answer:
2x · (x-1)
Step-by-step explanation:
2x
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Add them up :

Collect like terms

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You would do 3 times 5 mines 5 which equals 10 and the you would do 5x12