Question

what is the zero of the polynomial 2x square + 7x -4
Pls answer me fast​

Answer 1

ANSWER✔

$\sf\dashrightarrow 2x^2+7x-4=0$

$\sf\dashrightarrow 2x^2-8x-x-4=0$

$\sf\implies (2x-1)(x+4)=0$

$\sf\implies 2x-1=0,x+4=0$

$\sf\implies 2x=1,x=-4$

$\sf\implies x= \dfrac{1}{2},-4$

$\large{\boxed{\bf{ \star\:\: x= \dfrac{1}{2},-4\:\: \star}}}$

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Answer 2

$\huge\mathcal{\fcolorbox{lime}{black}{\pink{Answer}}}$

$\sf\dashrightarrow 2x^2+7x-4=0$

$\sf\dashrightarrow 2x^2-8x-x-4=0$

$\sf\implies (2x-1)(x+4)=0$

$\sf\implies 2x-1=0,x+4=0$

$\sf\implies 2x=1,x=-4$

$\sf\implies x= \dfrac{1}{2},-4$

$\large{\boxed{\bf{ \star\:\: x= \dfrac{1}{2},-4\:\: \star}}}$