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x^2-3x-40= 0       please in the simplest way because I'm completely confused.

I know the answer is x=5 or x=-12. but could you show me how to work it out. than you. solve this equation by completing the square.

solve by completing the square y∧2+8y+41=0

I am trying to solve 2x^2 + 3x =20 by completing the square.   I rewrote it to be 2x^2 - 3x + 20 = 0   then started with 2x^2/2 + 3x/2 + 20/10 =  ...

how do I solve by completing the square, round to the nearest hundredth?       x^2 - 3x =4       I have this as a starter   x^2...

completing the square, the expression x2+6x+116 equals (x+A)2 +B, where  A= B=

Solve by completing the square

Solve the equation x^2 + 14x = 9 by completing the square   step by step would be super helpful!

I dont understand how to solve quadratic functions. I'm supposed to solve f(x)-x^2+2x-3 by completing the square  but whenever I try to search how to do these kind of problems, I never see...

cpmpleting the square

I need help with this math problem. I know the answer is -8 and -2 I just don't know the steps to get there. If you could help me with this please. (x+5)^2 = 0

f(x)=x2-4x+9

solve by completing the square

complete the square