Answer:
16
Step-by-step explanation:
x² + 8x = 4 ⇔ x² + 8x + 16 = 4 + 16 ⇔ x² + 2×4x + 4² = 20 ⇔ (x + 4)² = (2√5)²
Remark : (2√5)² = 20
Answer:
m= -1.3
Step-by-step explanation:
subtract 3.4 from both side and than simplify
Answer:
I think its A
Step-by-step explanation:
Sorry if I'm wrong
3x+2x-13=47
5x-13=47
5x=60
x=12
Answer:
Answer B is the correct answer
Step-by-step explanation: :)