Write the quadratic equation in general form and then choose the value of "b." (2x - 1) (x + 5) = 0 9 10 11

Question

Mathematics

Elle Hayes

15 February, 01:28

Write the quadratic equation in general form and then choose the value of "b." (2x - 1) (x + 5) = 0 9 10 11

+2

Answers (1)

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Chaz Montes · Answer 1

Ax^2+bx+c=0

expanded, that is the x term

in

(ax+c) (dx+e), the coefient of the b term is cd+ae

so

(2x-1) (1x+5)

the b term is (-1) (1) + (2) (5) = - 1+10=9

b is 9