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Factor the trinomial:

2x^(2)+13 x+20
Answer:

Factor the trinomial:\newline2x2+13x+20 2 x^{2}+13 x+20 \newlineAnswer:

Full solution

Q. Factor the trinomial:\newline2x2+13x+20 2 x^{2}+13 x+20 \newlineAnswer:
  1. Identify coefficients: Identify the coefficients of the trinomial. The trinomial is 2x2+13x+202x^2 + 13x + 20. Here, the coefficient of x2x^2 (a)(a) is 22, the coefficient of xx (b)(b) is 1313, and the constant term (c)(c) is 2020.
  2. Find numbers for multiplication: Find two numbers that multiply to acac (2×20=402 \times 20 = 40) and add up to bb (1313).\newlineWe need to find two numbers that multiply to 4040 and add up to 1313. The numbers 55 and 88 satisfy these conditions because 5×8=405 \times 8 = 40 and 5+8=135 + 8 = 13.
  3. Rewrite middle term: Rewrite the middle term using the two numbers found in Step 22.\newlineWe can express 13x13x as the sum of 5x5x and 8x8x. So, the trinomial becomes 2x2+5x+8x+202x^2 + 5x + 8x + 20.
  4. Factor by grouping: Factor by grouping.\newlineWe group the terms as follows: 2x2+5x2x^2 + 5x + 8x+208x + 20. Now, we factor out the greatest common factor from each group.\newlineFrom the first group, we can factor out an xx, giving us x(2x+5)x(2x + 5).\newlineFrom the second group, we can factor out a 44, giving us 4(2x+5)4(2x + 5).
  5. Factor out common binomial: Factor out the common binomial factor.\newlineBoth groups now contain the common binomial factor (2x+5)(2x + 5). Factoring this out, we get (2x+5)(x+4)(2x + 5)(x + 4) as the factored form of the trinomial.