Math, asked by redthunderingrapper, 4 months ago

Find the coefficient of x2

in x. (x- 7). (3 x + 5)

Answers

Answered by sai172982
0

Answer:

in a cubic polynomial sum of zeroes is -b/a

where a is coeff of x³

coeff of x³ is 3x(x) (x) =3x³

a=3

sum of zeroes=0+7+(-5/3)

16/3

16/3=-b/3

b=-16

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