write the quadratic equation whose roots are -1 and 3 and whose leading coefficient is 1

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taylorstewart1 taylorstewart1

25-09-2017
Mathematics

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write the quadratic equation whose roots are -1 and 3 and whose leading coefficient is 1

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Juan is thinking of two numbers. He says that 3 times the first number minus the second number is 118. In addition, two times the first number plus the second n

jdoe0001 jdoe0001 · Answer 1 · 2017-09-25T23:38:31+02:00

jdoe0001 jdoe0001

25-09-2017

[tex]\bf \begin{cases} x=-1\implies &x+1=0\\ x=3\implies &x-3=0 \end{cases}\implies \stackrel{\textit{common factor}}{1}(x+1)(x-3)=y \\\\\\ 1(x^2-2x-3)=y\implies x^2-2x-3=y[/tex]

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