Carolina’s family ordered 8 tacos and 1 quesadilla for dinner. The cost for all of tacos was $31.60. The total cost of the meal
was 36.35. What was the cost of quesadilla?
2 answers:
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If a binomial x-a is a factor of a polynomial p(x), then p(a)=0.
x+2 is a factor of p(x)=x³-6x²+kx+10, so p(-2)=0.
x+2 is a factor of p(x)=x³-6x²+kx+10, so p(-2)=0.