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kvasek [131]
3 years ago
14

Find the value of x for which x²-3x - 10 /x² + 12x + 36is equal to zero, undefined​

Mathematics
1 answer:
GREYUIT [131]3 years ago
6 0

Answer:

x= -6 twice

Step-by-step explanation:

x^2-3x-10/x^2+12x+36

By using undefined fraction we only take the denominator and equate it to 0

x^2+12x+36=0

x^2+6x+6x+36=0

(x^2+6x)+(6x+36)=0

x(x+6)+6(x+6)=0

(x+6)(x+6)=0

x+6=0 or x+6=0

x= -6 or x= -6

therefore x= -6 twice

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Step-by-step explanation:

We can set up a system of equations to solve for this. Let cost of 1 rose bush be r and cost of 1 ornamental grass be g. Thus we can form 2 equations:

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We can multiply the first equation by -2 so that we can eliminate g. Thus, we have:

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