4x + 8
To distribute, multiply 4 by x and 4 by 2.
57+23 = 80
not rounded it's 80.14
<span>Simplifying
4x2 + 8xy + 4y2
Reorder the terms:
8xy + 4x2 + 4y2
Factor out the Greatest Common Factor (GCF), '4'.
4(2xy + x2 + y2)
Factor a trinomial.
4((x + y)(x + y))
Final result:
4(x + y)(x + y)</span>
Length of the pie = πD
Length of the pie = 10π
One slice = 10π ÷ 6 = 5.25 in (Answer C)