Question

simplify 3x^2 (2x + 3y - 7z) + 5 ( x^3 -zy + x^2 y)

Answer 1

Answer:

11x^3+14x^2y-21zx^2-5zy

Step-by-step explanation:

3x^2 (2x + 3y - 7z) + 5 ( x^3 -zy + x^2 y)

(6x^3+9x^y-21zx^2-5zy)+(5x^3-5zy+5x^2y)

=11x^3+14x^2y-21zx^2-5zy

Answer 2

hope it helps you mate......