Answer
$(8\sqrt{y}+z)(4\sqrt{y}-1)=32y+(4z-8)\sqrt{y}-z$
Work Step by Step
$(8\sqrt{y}+z)(4\sqrt{y}-1)$
Evaluate the product and simplify if possible:
$(8\sqrt{y}+z)(4\sqrt{y}-1)=32\sqrt{y^{2}}-8\sqrt{y}+4z\sqrt{y}-z=...$
$...=32y+(4z-8)\sqrt{y}-z$
