How do you factorize #20p + 15pq - 60q^2-80q# completely?

Related questions

• What is Factoring by Grouping?
• How do you factor by grouping four-term polynomials and trinomials?
• Why does factoring polynomials by grouping work?
• How do you factor #2x+2y+ax+ay#?
• How do you factor #3x^2+8x+4# by using the grouping method?
• How do you factor #6x^2-9x+10x-15#?
• How do you group and factor #4jk-8j^2+5k-10j#?
• What are the factors of #2m^3+3m^2+4m+6#?
• How do you factor quadratics by using the grouping method?
• How do you factor #x^4-2x^3+5x-10#?