Multiple choice

Which of the following algebraic equations is not the same as the equation 210x2 + 21xy + 2z3 + 2xyz?

  1. (2x) (15x) (7) + (3xy) (7xy) + 2z3 + 2 (xyz) (xyz)

  2. (2x) (15x) (7) + 3xy + 18xy + 2z2 z + xyz + xyz

  3. (2x) (15x) (7) + 3xy + 18xy + 2z3 + xyz + xyz

  4. (2x) (15) (7x) + 3xy + 18xy + 2z2 z + xyz + xyz

  5. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

It is equal to 210 x2 + 21x2 y2 + 2 x2y2z2. It is not equal to the given equation 210 x2 + 21 xy + 2z3 + 2xyz. Hence, this option is the correct answer.