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joja [24]
3 years ago
10

The partial factorization of x2 – x – 12 is modeled with algebra tiles.Which unit tiles are needed to complete the factorization

?
Mathematics
2 answers:
S_A_V [24]3 years ago
3 0
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).
astra-53 [7]3 years ago
3 0

Answer: The unit of tiles that are needed to complete the factorization are

(x-4)(x+3)

Step-by-step explanation:

Since we have given that

x^2-x-12=0

We need to factorise the above quadratic equation:

We use "Split the middle term":

x^2-x-12=0\\\\x^2-4x+3x-12=0\\\\x(x-4)+3(x-4)=0\\\\(x-4)(x+3)=0

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

(x-4)(x+3)

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