See the attached, the line going vertically is at -0.7.
So, 252 is 1/5 of the total workforce then, the total or whole will then be 5/5 or 1 whole... well, if 252 is 1/5, what's 5/5?
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It’s 3, because of order of operations. First you have to divide, then you can add
Answer:
4x^3+16x^2-23x-15 = (x+5)×(x+1/2)×(x-1.5)
so zeroes are at: -5, -1/2, and 1.5