What is $b$ in this quadratic equation $2x^2 - 28x + 40 = 0$ ?

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Answer 1 · 2016-07-26T16:18:24

$b = -28$

General form of a quadratic equation:

$ax^2 + bx + c = 0$

In this equation, $b = - 28$

What is bb in this quadratic equation 2x^2 - 28x + 40 = 02x^2 - 28x + 40 = 0?