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Expand (x + 3)(x + 2)

publish date2020/11/21 05:38:00 GMT+11

volume_mute

Correct Answer

x2 + 5x + 6

Explanation

  1. Write the expression.
    • (x + 3)(x + 2)
  2. Multiply the first terms in each bracket, then the outer terms, the inner terms and finally the last terms.
    • = x × x, x × 2, x × 3, 3 × 2
  3. Collect like terms. = x2 + 2x + 3x + 6
    • = x2 + 5x + 6

Reference

Maths_Quest_10+10A_VC_Revised_Edition_Book


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