Find the solution set of the quadratic equation over the set of complex numbers. -7x2 + 12x = 10 0) A) X = B) X = 10 - (6 – i V34) or £6+iV34) 10/6-i134 ) or 1o (6 + iv34) - 1 (5- i V59) or (5+iV59 ) 2017-i 431) or 27 +iV431 C) X = D) X = 20​

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step-by-step explanation:

a

step-by-step explanation:

the revenue of the fitness center, y, is the product of two factors: the number of members and the fee paid by each member. there are 320 members now, but number of members goes down by 10 for each $5 increase in fees, so if x is the number of $5 price increases then members is equal to (320 - 10x). since the fee is currently $45, and the fee increases by $5 for every price bump x, the fee is given by (45 + 5x). so, revenue y is given by y = (320 - 10x)(45 + 5x).