SOLUTION: x^2+x-42=0

Question 201632: x^2+x-42=0
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Start with the given equation.

Notice that the quadratic is in the form of where , , and

Let's use the quadratic formula to solve for "x":

Start with the quadratic formula

Plug in , , and

Square to get .

Multiply to get

Rewrite as

Add to to get

Multiply and to get .

Take the square root of to get .

or Break up the expression.

or Combine like terms.

or Simplify.

So the solutions are or

RELATED QUESTIONS
x^(2)-13x+42=0 (answered by JBarnum)

x^2+17x+42=0 (answered by jim_thompson5910)

x^4-x^2-42=0 (answered by edjones)

Solve by completing the square:... (answered by Fombitz)

x^2 - x -... (answered by tommyt3rd)

Solve x^2 + x - 42=0 x= Is the answer 6? (answered by nyc_function,MathTherapy,jim_thompson5910)

4x-4x^1/2=3 2x^2/3-x^1/3=0... (answered by ewatrrr)

The product of two positive consecutive integers is 41 more than their sum. Find the... (answered by JBarnum,jessica43)

x^2-7xy+6y=0 x^2+xy=42 Solve the system (answered by josgarithmetic)