Math, asked by yugal106, 4 months ago

find the root of 2x ² +13 - 15 =0 by quadratic formula ​

Answers

Answered by ItsNewton23
4

 \sf \color{green} \huge \huge \large \boxed {Answer} \: =>

 \large \huge { -\frac{3}{2}} {\color{pink}}

or

 \huge -5

 \sf \color{red} \large SOLUTION \:

=  > 2 {x}^{2}  + 13x + 15 = 0 \\  \\   =  > 2 {x}^{2}  + 10x + 3x + 15 = 0 \\  \\  =  > 2x(x + 5) + 3(x + 5) \\  \\ =  >  (x + 5)(2x + 3) \\  \\  \\ x =  - 5 \:  \:  \:  \:  \:  \:  \: or \:  \:  \:  \:  \:  \:   - \frac{3}{2}

 \huge \color{blue} \mathbb { {hope \: it \: helps \: u \:}}

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