Solved on Jan 23, 2024

Simplify the expression 9w2+9w+29 w^{2} + 9 w + 2.

STEP 1

Assumptions
1. We are given a quadratic expression 9w2+9w+29w^2 + 9w + 2.
2. The task is to solve the quadratic equation by finding the roots of the expression, if that is the intention of the problem. If the task is to factor the expression, we will proceed with factoring.

STEP 2

First, we need to determine whether the quadratic expression can be factored into the form (aw+b)(cw+d)(aw + b)(cw + d), where aa, bb, cc, and dd are constants.

STEP 3

To factor the quadratic expression, we look for two numbers that multiply to 9w2×29w^2 \times 2 (the product of the coefficient of w2w^2 and the constant term) and add up to 9w9w (the coefficient of the ww term).

STEP 4

The product of the coefficient of w2w^2 and the constant term is 9×2=189 \times 2 = 18.

STEP 5

We need to find two numbers that multiply to 1818 and add up to 99.

STEP 6

The numbers that satisfy these conditions are 66 and 33 because 6×3=186 \times 3 = 18 and 6+3=96 + 3 = 9.

STEP 7

We rewrite the middle term 9w9w using the numbers 66 and 33.
9w2+9w+2=9w2+6w+3w+29w^2 + 9w + 2 = 9w^2 + 6w + 3w + 2

STEP 8

Now we group the terms to factor by grouping.
9w2+6w+3w+2=(9w2+6w)+(3w+2)9w^2 + 6w + 3w + 2 = (9w^2 + 6w) + (3w + 2)

STEP 9

Factor out the common factors from each group.
9w2+6w=3w(3w+2)9w^2 + 6w = 3w(3w + 2) 3w+2=1(3w+2)3w + 2 = 1(3w + 2)

STEP 10

Now we have two terms with a common factor of (3w+2)(3w + 2).
3w(3w+2)+1(3w+2)=(3w+2)(3w+1)3w(3w + 2) + 1(3w + 2) = (3w + 2)(3w + 1)

STEP 11

The quadratic expression 9w2+9w+29w^2 + 9w + 2 is now factored into (3w+2)(3w+1)(3w + 2)(3w + 1).
The factored form of the quadratic expression is (3w+2)(3w+1)(3w + 2)(3w + 1).

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