Mathematics
Grade10
Easy
Question
Factorise the trinomial represented by the algebra tiles.
- (x + 1) (x + 2)
- (x + 2)2
- (x – 1) (x + 1)
- (x + 1)2
The correct answer is: (x + 1)2
Trinomial is x2 + 2x + 1.
1 + 1 = 2
(x + 1) (x + 1) = x2 + x + x + 1 = x2 + 2x + 1 (Checked)
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