Respuesta :
1) Distribute: 3×7x+3×2y
2) Simplify 3×7x to 21x: 21x+3×2y
3) Simplify 3×2y to 6y: 21x+6y
And the answer is
21x+6y
2) Simplify 3×7x to 21x: 21x+3×2y
3) Simplify 3×2y to 6y: 21x+6y
And the answer is
21x+6y