Math  /  Algebra

QuestionStep 1 need to divide. However, we note that the denominator can be factored as follows. Q(x)=6x2+7x+1=(6x+1)()\begin{aligned} Q(x) & =6 x^{2}+7 x+1 \\ & =(6 x+1)(\square) \end{aligned} Submit Skip (you cannot come back)

Studdy Solution

STEP 1

1. The problem involves factoring a quadratic polynomial.
2. The quadratic polynomial is Q(x)=6x2+7x+1 Q(x) = 6x^2 + 7x + 1 .
3. The polynomial is partially factored as (6x+1)() (6x + 1)(\square) .
4. We need to find the missing factor.

STEP 2

1. Identify the structure of the quadratic polynomial.
2. Use the given partial factorization to find the missing factor.
3. Verify the complete factorization.

STEP 3

Identify the structure of the quadratic polynomial Q(x)=6x2+7x+1 Q(x) = 6x^2 + 7x + 1 .
The polynomial is a quadratic in the form ax2+bx+c ax^2 + bx + c , where a=6 a = 6 , b=7 b = 7 , and c=1 c = 1 .

STEP 4

Use the given partial factorization (6x+1)() (6x + 1)(\square) to find the missing factor.
To find the missing factor, we can set up the equation:
(6x+1)()=6x2+7x+1 (6x + 1)(\square) = 6x^2 + 7x + 1
Let the missing factor be (x+b) (x + b) . Then:
(6x+1)(x+b)=6x2+7x+1 (6x + 1)(x + b) = 6x^2 + 7x + 1
Expand the left side:
6x2+6bx+x+b=6x2+7x+1 6x^2 + 6bx + x + b = 6x^2 + 7x + 1

STEP 5

Match coefficients to find b b .
From the expanded form:
1. The coefficient of x x is 6b+1=7 6b + 1 = 7 .
2. The constant term is b=1 b = 1 .

Solve for b b :
6b+1=7 6b + 1 = 7 6b=6 6b = 6 b=1 b = 1
Thus, the missing factor is (x+1) (x + 1) .

STEP 6

Verify the complete factorization.
Substitute b=1 b = 1 back into the factorization:
(6x+1)(x+1)=6x2+6x+x+1=6x2+7x+1 (6x + 1)(x + 1) = 6x^2 + 6x + x + 1 = 6x^2 + 7x + 1
The factorization is verified as correct.
The complete factorization of Q(x)=6x2+7x+1 Q(x) = 6x^2 + 7x + 1 is (6x+1)(x+1) (6x + 1)(x + 1) .

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