Westonci.ca is your go-to source for answers, with a community ready to provide accurate and timely information. Our Q&A platform offers a seamless experience for finding reliable answers from experts in various disciplines. Get quick and reliable solutions to your questions from a community of experienced experts on our platform.
Sagot :
let us the substitution x=y^2. So we get
[tex]\begin{gathered} y^2-3y-28=0 \\ (y-7)(y+4)=0\rightarrow \\ y=7,y=-4 \end{gathered}[/tex]having this we get that the answer are:
[tex]x=49[/tex]The option y=-4, can not be used because we get that
[tex]\sqrt[]{x}=-4[/tex]and it is not possible
We hope our answers were helpful. Return anytime for more information and answers to any other questions you may have. Thank you for visiting. Our goal is to provide the most accurate answers for all your informational needs. Come back soon. Thank you for trusting Westonci.ca. Don't forget to revisit us for more accurate and insightful answers.
