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Factor each completely.


6x^(2)+28 x+16

Factor each completely.\newline6x2+28x+166x^{2}+28x+16

Full solution

Q. Factor each completely.\newline6x2+28x+166x^{2}+28x+16
  1. Find GCF: First, we look for a greatest common factor (GCF) that can be factored out from all the terms of the polynomial 6x2+28x+166x^2 + 28x + 16. The GCF of 66, 2828, and 1616 is 22.
  2. Factor out GCF: We factor out the GCF from each term of the polynomial: 2(3x2+14x+8)2(3x^2 + 14x + 8)
  3. Factor quadratic expression: Next, we need to factor the quadratic expression inside the parentheses. We look for two numbers that multiply to 3×83 \times 8 (2424) and add up to 1414. The numbers that satisfy these conditions are 1212 and 22 because 12×2=2412 \times 2 = 24 and 12+2=1412 + 2 = 14.
  4. Write as binomials: We can now write the quadratic expression as a product of two binomials: 2(3x2+12x+2x+8)2(3x^2 + 12x + 2x + 8)
  5. Group terms to factor: We group the terms to factor by grouping: 2((3x2+12x)+(2x+8))2((3x^2 + 12x) + (2x + 8))
  6. Factor out common factors: Factor out the common factors from each group: 2(3x(x+4)+2(x+4))2(3x(x + 4) + 2(x + 4))
  7. Final factorization: We notice that (x+4)(x + 4) is a common factor in both groups, so we factor it out: 2(3x+2)(x+4)2(3x + 2)(x + 4)

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