SOLUTION: 21x^2+2x-3= (7x+3)(3x-1) Check: (7x+3)(3x-1)=7x(3x)+7x(-1)+3(3x)+3(-1)=21x^2-7x+9x-3-21^2+2x-3

Algebra ->  Distributive-associative-commutative-properties -> SOLUTION: 21x^2+2x-3= (7x+3)(3x-1) Check: (7x+3)(3x-1)=7x(3x)+7x(-1)+3(3x)+3(-1)=21x^2-7x+9x-3-21^2+2x-3      Log On


   

Question 174347: 21x^2+2x-3= (7x+3)(3x-1)
Check: (7x+3)(3x-1)=7x(3x)+7x(-1)+3(3x)+3(-1)=21x^2-7x+9x-3-21^2+2x-3
Answer by mattiewal(1) About Me  (Show Source):
You can put this solution on YOUR website!
21x^2+2x-3= (7x+3)(3x-1)
Check: (7x+3)(3x-1)=7x(3x)+7x(-1)+3(3x)+3(-1)=21x^2-7x+9x-3-21^2+2x-3