volume_mute
Expand (x + 3)(x + 2)
publish date: 2020/11/21 05:38:00 GMT+11
volume_mute
Correct Answer
x2 + 5x + 6
Explanation
- Write the expression.
- (x + 3)(x + 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
- Collect like terms. = x2 + 2x + 3x + 6
- = x2 + 5x + 6
Reference
Maths_Quest_10+10A_VC_Revised_Edition_Book