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Choose the polynomial that is written in standard form.

A.) x + 4x^5 + 10x^3

B.) x^4 + 4x^2 + 8x

C.) −9x^4 + 4x^6 + 10x^2

D.) x^4 + 4x^4 + x^6

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10

50-60=10

step-by-step explanation: