SOLUTION: How do you solve quadratic equations. example- -2d squared

SOLUTION: How do you solve quadratic equations. example- -2d squared - 5d+19=0

Question 176448This question is from textbook
: How do you solve quadratic equations. example- -2d squared - 5d+19=0 This question is from textbook

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.

Notice we have a quadratic equation in the form of where , , and

Let's use the quadratic formula to solve for d

Start with the quadratic formula

Plug in , , and

Negate to get .

Square to get .

Multiply to get

Rewrite as

Add to to get

Multiply and to get .

or Break up the expression.

or Reduce

So the answers are or

which approximate to or

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