0
Anonymous
It works out that: z = -32
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(5z + 9)(3z - 2)
Add together like terms: 8z-3y
Expand: 8z-4-5z Collect like terms: 3z-4
if: r = 5z 15z = 3y then: z = y/5 r = 5(y/5) r = y
10 z's.