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Factor the trinomial:

2x^(2)+9x+4
Answer:

Factor the trinomial:\newline2x2+9x+4 2 x^{2}+9 x+4 \newlineAnswer:

Full solution

Q. Factor the trinomial:\newline2x2+9x+4 2 x^{2}+9 x+4 \newlineAnswer:
  1. Identify Coefficients: Identify the coefficients of the quadratic trinomial.\newlineThe quadratic trinomial is 2x2+9x+42x^2 + 9x + 4. Here, the coefficient of x2x^2 (aa) is 22, the coefficient of xx (bb) is 99, and the constant term (cc) is 44.
  2. Find Multiplying Numbers: Find two numbers that multiply to acac (2×4=82 \times 4 = 8) and add up to bb (99).\newlineWe need to find two numbers that multiply to 88 and add up to 99. The numbers that satisfy these conditions are 88 and 11 because 8×1=88 \times 1 = 8 and 8+1=98 + 1 = 9.
  3. Rewrite Middle Term: Rewrite the middle term using the two numbers found in Step 22.\newlineWe can express 9x9x as 8x+x8x + x. So, the trinomial 2x2+9x+42x^2 + 9x + 4 can be rewritten as 2x2+8x+x+42x^2 + 8x + x + 4.
  4. Factor by Grouping: Factor by grouping.\newlineNow we group the terms: 2x2+8x2x^2 + 8x + x+4x + 4. We can factor out a common factor of 2x2x from the first group and a common factor of 11 from the second group, which gives us 2x(x+4)+1(x+4)2x(x + 4) + 1(x + 4).
  5. Factor out Common Factor: Factor out the common binomial factor.\newlineSince both groups contain the common binomial factor (x+4)(x + 4), we can factor it out to get (x+4)(2x+1)(x + 4)(2x + 1).