Answered

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Multiply
(3x + 5)2
O A. 9x2 + 30x + 25
O B. 9x2 - 30x+ 25
c. 9x2 + 15x + 25
D. 9x2 + 25

Sagot :

Answer:

A

Step-by-step explanation:

(3x + 5)² = (3x + 5)(3x + 5)

Each term in the second factor is multiplied by each term in the first factor , that is

3x(3x + 5) + 5(3x + 5) ← distribute parenthesis

= 9x² + 15x + 15x + 25 ← collect like terms

= 9x² + 30x + 25 → A

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