Find the value of x to 2dp in the equation 2x² + 5x = 9

David Burrows asked Dec 1, 2023

6,232 views

19 votes

David Burrows asked Dec 1, 2023

3.0k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

18 votes

Answer:

where x1=-3.71 and x2=1.21

Explanation:

first= 2x+5x-9=0, a=2,b=5,c=-9, x=

$\sqrt{ {5 }^(2) } - 4 * 2( - 9) \: over4$

second x=

$\sqrt[ - 5 + ]{25 + 72} over4$

$\sqrt[ - 5 +4 ]{97}$

$\sqrt[ - 5 - 4]{97}$

2.8k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers