The partial factorization of x2 – x – 12 is modeled with algebra tiles.Which unit tiles are needed to complete the factorization
?
2 answers:
Please write that as x^2 - x - 12 (the "^" symbol denotes exponentiation).
x^2 - x - 12 factors to (x + 3)(x - 4), Check this by multiplication:
x^2 + 3x - 4x - 12 = x^2 - x - 12 (OK).
Answer: The unit of tiles that are needed to complete the factorization are

Step-by-step explanation:
Since we have given that

We need to factorise the above quadratic equation:
We use "Split the middle term":

Hence, the unit of tiles that are needed to complete the factorization are

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