when you use all prime, non-one numbers for b and c, it cannot be factored most of the time
example
1x^2+7x+5
a=1
b=7
c=5
x=
x=
x=
x=
x=
or 
example
1x^2+7x+5
a=1
b=7
c=5
x=
x=
x=
x=
x=
a triangle is placed in a semicircle with a radius of 7cm, as shown below. find the area of the shaded region. use the value 3.1
4 for pie, and do not round your answer
1 answer:
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