Question

expand d( 9d + 5f ) - 7d( 7d - 2f)

Answer 1

Answer:

(

9

+

5

)

−

7

(

7

−

2

)

{\color{#c92786}{d(9d+5f)}}-7d(7d-2f)

d(9d+5f)−7d(7d−2f)

9

2

+

5

−

7

(

7

−

2

)

Step-by-step explanation:

Answer 2

Answer:

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