2x^2+9x
(QUADRATIC EQUATIONS)


Sagot :

Answer:

x = 0 or -9/2

Step-by-step explanation:

[tex]2x^{2} +9x[/tex]

first you need to factor out any similar factors in both sides of the plus sign.

you do this by dividing both sides by x and putting it outside of a parenthesis.

[tex]x(2x+9)[/tex]

now you set both equal to 0 and solve, because if one x is 0, then 0 x anything = 0

x = 0                                             2x+9 = 0

done                                                2x+9-9 = 0-9

                                                        2x = -9

                                                        2x /2 = -9/2

                                                         x = -9/2

x is either 0 or -9/2