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what property do we use to check that our factored form is equivalent to the standard form

Sagot :

Lets solve an example:

[tex]\begin{gathered} y=x^2+6x+8 \\ \end{gathered}[/tex]

this quadratic polynomial is in standard form. We can write the same polynomial in factored form as

[tex]y=(x+4)(x+2)[/tex]

In the case of quadratic polynomials, a fast check is

that is, 4 plus 2 must be equal to 6 in the term 6x and

4 times 2 must be 8 in the constant term, which is 8.

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