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Factor completely.

5x^(2)+20 x-60=

Factor completely.\newline5x2+20x60=5x^{2}+20x-60=

Full solution

Q. Factor completely.\newline5x2+20x60=5x^{2}+20x-60=
  1. Look for common factor: Look for a common factor in all terms.\newlineIdentify the greatest common factor (GCF) of the terms 5x25x^2, 20x20x, and 60-60.\newlineThe GCF is 55.
  2. Factor out GCF: Factor out the GCF from the expression.\newlineDivide each term by the GCF and write the expression as a product of the GCF and the remaining terms.\newline5x2+20x60=5(x2+4x12)5x^2 + 20x - 60 = 5(x^2 + 4x - 12)
  3. Factor quadratic expression: Factor the quadratic expression inside the parentheses.\newlineWe need to find two numbers that multiply to 12-12 and add to 44.\newlineThe numbers 66 and 2-2 satisfy these conditions because 6×(2)=126 \times (-2) = -12 and 6+(2)=46 + (-2) = 4.
  4. Write factored form: Write the factored form of the quadratic expression.\newlineReplace the middle term, 4x4x, with the two terms found in Step 33, and then group the terms to factor by grouping.\newline5(x2+6x2x12)5(x^2 + 6x - 2x - 12)\newline= 5((x2+6x)(2x+12))5((x^2 + 6x) - (2x + 12))
  5. Factor by grouping: Factor by grouping.\newlineFactor out the common factor from each group.\newline5((x(x+6))2(x+6))5((x(x + 6)) - 2(x + 6))
  6. Factor out common binomial: Factor out the common binomial factor.\newlineThe common binomial factor is (x+6)(x + 6).\newline5(x+6)(x2)5(x + 6)(x - 2)