Sagot :
Answer:
A
Step-by-step explanation:
Foil method
(3x+6)(x+ 7)
3x²+21x+6x+42
3x²+27x+42
Answer:
A. 3x² + 27x + 42
Step-by-step explanation:
- Use FOIL Method
F - First
O - Outer
I - Inner
L - Last
- Solution:
(3x + 6)(x + 7)
F = 3x • x = 3x²
O = 3x • 7 = 21x
I = 6 • x = 6x
L = 6 • 7 = 42
3x ² + 21x + 6x + 42
- Combine Like Terms
3x² + 27x + 42
Therefore, A. 3x² + 27x + 42 is the answer
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