Question

Simplify

5g (3g+782-9)

A. 50g4 - 45g
B. 15g2 +35g3 - 45g
C. 8g2 + 12g3-4g
D. 8g +7g²-9 E. 5g4
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Answer 1

the answer will be b

Answer 2

B. 15g^2 + 35g^3 - 45g

Explanation:

5g(3g + 7g^2 - 9)

5 x 3 = 15 g x g = g^2; 15g^2

5 x 7 = 35 g x g^2 = g^3; 35g^3

5g x -9 = -45g