Question

(x + 4) (x + 4) = ?
Marks: 1 Nagative Marks: 0.00
1. x² + 16
2. x² + 4x + 16
3. x² + 8x + 16
4. x² + 16x​

Answer 1

Answer:

3. x² + 8x + 16

Step-by-step explanation:

=(x + 4) (x + 4) [a + b]² = [a² +2ab+ b²]

=(x+4)²

=x²+2(x)(4)+4²

=x² + 8x + 16