Question

2X2 + 3X -3=4


Me pueden ayudar a resolver la y explicarme como :3

Answer 1

Respuesta:

x=1

Explicación paso a paso:

4+3x-3=4

3x-3=0

3x=3

x=3/3

x=1

Answer 2

SOLUCIÓN

♛ HØlα!! ✌

                                            2x² + 3x - 3 = 4

                                            2x² + 3x - 7 = 0

Resolveremos por la fórmula general

                               $Sea\:la\:ecuaci\'on\:cuadr\'atica:\\\\ax^2+bx+c=0\\\\\\Por\:f\'ormula\:general\:tenemos\:que:\\\\\mathrm{\boxed{x_{1,2}=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}}}\\\\\\Del\:problema:\\\\a=2,b=3,c=-7\\\\\\ Entonces\:reemplazamos\\\\x_{1,2}=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}\\\\\\x_{1,2}=\dfrac{-(3)\pm \sqrt{(3)^2-[4(2)(-7)]}}{2(2)}\\\\\\x_{1,2}=\dfrac{-3\pm \sqrt{9-(-56)}}{4}\\\\\\x_{1,2}=\dfrac{-3\pm \sqrt{65}}{4}\\\\\\x_{1,2}=\dfrac{-3\pm8.06226}{4}$

                              $\Rightarrow\:x_{1}=\dfrac{-3+8.06226}{4}\\\\\\x_{1}=\dfrac{5.06226}{4}\\\\\\\boxed{\boldsymbol{x_{1}=1.26556}}\\\\\\\Rightarrow\:x_{2}=\dfrac{-3-8.06226}{4}\\\\\\x_{2}=\dfrac{-11.0623}{4}\\\\\\\boxed{\boldsymbol{x_{2}=-2.76556}}$