(z-9)(z+3
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8z + 3 - 2z < 51 6z + 3 < 51 6z < 48 z < 6 ☺
Using the quadratic formula you get z≅4.91547594742265 or z≅-0.91547594742265
6z + 28 = 12z + 10 18 = 6z 3 = z
If 6z=17, divide both sides by 6 z=17/6
Firstly, we got:(-6z) (102)(-6) (102) (z)-612z-612z is the answer.