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Answered

x2+7x−3=0 solve by completing the square

solution too pleaseeee

help hilp help

Sagot :

DAPHNEPARDZ249IN

Step-by-step explanation:

x²+7x-3=0

x²+7x=3

x²+7x+?=3+?

x²+7x+ 49/5 =3+ 49/4

(x+ 7/2)²= 61/4

[tex]x = - \frac{ \sqrt{61} + 7}{2} \\ x = \frac{ \sqrt{61} - 7}{2} [/tex]

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