Question

x² + 7x-1=0
find the value of discriminat​

Answer 1

Answer:

1/9

Step-by-step explanation:

x2=2x

2x+7x-1=0

now we will move -1 to Rhs

2x + 7x=0+1

2x +7x = 1

9x =1

X=1/9

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Answer 2

$\Huge\mathcal{\underline{\blue{Answer\::-}}}$

$\pink{ {x}^{2} + 7x - 1 = 0}$

So,

$\purple{a = 1,\: \: b = 7,\: \: c = - 1}$

Formula :-

$d = {b}^{2} - 4ac$

$d = {7}^{2} - 4 \times 1 \times ( - 1)$

$d = 49 + 4$

$\green{d = 51}$

Here's Is Ur Required Answer.

$\Huge\mathcal{\underline{\red{Hope\: It\: Helps}}}$