Answer :
The numbers which should be placed in the boxes from left to right, when Juanita factor the expression, is 6 and 3 respectively.
What is a factor of polynomial?
The factor of a polynomial is the terms in linear form, which are, when multiplied together, give the original polynomial equation as a result.
Juanita begins to factor an expression as shown.
[tex]x^2+ 3x-18=(x+ \;\;)(x-\;\;)[/tex]
To find the value of blank, we have to factor the left-hand side expression using the split the middle term method as,
[tex]x^2+ 3x-18\\x^2+ 6x-3x-18\\x(x+6)-3(x+6)\\(x+6)(x-3)[/tex]
Hence, the numbers which should be placed in the boxes from left to right, when Juanita factor the expression is 6 and 3 respectively.
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