Drakulaidn
Answered

Get expert advice and community support for all your questions on IDNLearn.com. Find in-depth and accurate answers to all your questions from our knowledgeable and dedicated community members.

What are the solutions to the equation x² = 169? 

Choose all answers that are correct

Sagot :

Lilithidn
[tex] x^2 = 169 \ \ | -169 \\ \\x^2 - 169 =169-169\\ \\x^2-13^2=0\\ \\(x-13)(x+13)=0\\ \\x-13 = 0 \ \ or \ \ x+13 =0 \\ \\ x=13 \ \ or \ \ x= -13[/tex]
Since you are finding what number doubled equals 169 you have to find the square root of 169 which is 13 because 13 times 13 equals 169
Thank you for contributing to our discussion. Don't forget to check back for new answers. Keep asking, answering, and sharing useful information. Find precise solutions at IDNLearn.com. Thank you for trusting us with your queries, and we hope to see you again.