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devlian [24]
2 years ago
9

Can someone help me with this pls

Mathematics
2 answers:
BabaBlast [244]2 years ago
6 0

\huge\text{Hey there!}

\huge\textbf{What is the quadratic formula?}

\rm{x = \dfrac{-b \pm \sqrt{b^2 - 4ac}}{2a}}

\textsf{Or even}

\rm{ax^2 + bx + c = 0}

\huge\textbf{What are we looking for?}

\rm{9x^2 + 3x - 2 = 0}

\huge\textbf{What are the labels in the equation?}

\mathsf{a \rightarrow 9}\\\\\mathsf{b\rightarrow 3}\\\\\mathsf{c \rightarrow -2}

\huge\textbf{Solving for your equation:}

\rm{x = \dfrac{-(3)\pm \sqrt{3^2 - 4(9)(-2)}}{2a}}

\huge\textbf{Simplify it:}

\rm{x = \dfrac{-3\pm \sqrt{81}}{18}}

\rm{x = \dfrac{1}{3}\ or\ x = - \dfrac{2}{3}}

\huge\textbf{Therefore, your answer should be:}

\huge\boxed{\frak{\mathsf{x} = \dfrac{1}{3}\ or\ \mathsf{x} = - \dfrac{2}{3}}}\huge\checkmark

\huge\text{Good luck on your assignment \& enjoy your day!}

~\frak{Amphitrite1040:)}

Oksi-84 [34.3K]2 years ago
4 0

Answer:

x = 1/3 or x = -2/3

Step-by-step explanation:

Let's solve your equation step-by-step.

9x2+3x−2=0

For this equation: a=9, b=3, c=-2

9x2+3x+−2=0

Step 1: Use quadratic formula with a=9, b=3, c=-2.

x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}

x=\frac{-(3)\pm\sqrt{(3)^2-4(9)(-2)} }{2(9)}

x=\frac{-3\pm\sqrt{81} }{18}

x = 1/3 or x = -2/3

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