Algebra 1
posted by Victoria .
Factor the polynomial by grouping.
1. 20 + 5y^2 + 4z  y^2z

Algebra 1 
Steve
rearrange things just a bit and you have
5y^220  y^2z + 4z
5(y^24)  z(y^24)
(5z)(y^24)
(5z)(y+2)(y2)
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