Maths-
General
Easy

Question

Which of the following expressions is equivalent to 2a2 (a + 3) ?

  1. 5a3
  2. 8a5
  3. 2a3 + 3
  4. 2a+ 6a2

The correct answer is: 2a+ 6a2


    HINT :- Expand the given expression .
    2 straight a squared space left parenthesis straight a space plus space 3 right parenthesis space equals space 2 straight a squared space cross times space straight a space plus space 2 straight a squared space cross times space 3
not stretchy rightwards double arrow space 2 straight a squared space left parenthesis straight a space plus space 3 right parenthesis space equals space 2 straight a cubed space plus space 6 straight a squared

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