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Factor completely.

5x^(2)+25 x+20=

Factor completely.\newline5x2+25x+20=5x^{2}+25x+20=

Full solution

Q. Factor completely.\newline5x2+25x+20=5x^{2}+25x+20=
  1. Identify Form: Identify the form of the quadratic trinomial.\newlineThe given expression 5x2+25x+205x^2 + 25x + 20 represents a quadratic trinomial in the form ax2+bx+cax^2 + bx + c.
  2. Find Common Factors: Look for common factors in all three terms.\newlineThe coefficients 55, 2525, and 2020 all have a common factor of 55.\newlineFactor out the greatest common factor (GCF) of 55.\newline5(x2+5x+4)5(x^2 + 5x + 4)
  3. Factor Out GCF: Factor the quadratic expression inside the parentheses.\newlineWe need to find two numbers that multiply to give acac (where aa is the coefficient of x2x^2 and cc is the constant term) and add up to bb (the coefficient of xx).\newlineIn this case, a=1a = 1, b=5b = 5, and c=4c = 4, so we need two numbers that multiply to 44 and add up to aa00.\newlineThe numbers 44 and aa22 satisfy these conditions.
  4. Factor Quadratic Expression: Write the quadratic expression as a product of two binomials.\newlineUsing the numbers found in Step 33, we can write the quadratic expression as:\newline(x+4)(x+1)(x + 4)(x + 1)
  5. Write as Product: Combine the GCF factored out in Step 22 with the factored quadratic expression from Step 44.\newlineThe factored form of the original expression is:\newline5(x+4)(x+1)5(x + 4)(x + 1)