Westonci.ca is the Q&A platform that connects you with experts who provide accurate and detailed answers. Connect with a community of experts ready to help you find solutions to your questions quickly and accurately. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.
Sagot :
[tex]8x^4-48x^3=56x^2\\
Assumption\ x \neq 0\\\\
8x^4-48x^3=56x^2\ \ \ |Divide\ by\ x^2\\\\
8x^2-48x=56\ \ \ |Subtract\ 56\\\\
8x^2-48x-56=0\ \ |Divide\ by\ 8\\\\
x^2-6x-7=0\\\\
x^2-7x+x-7=0\\\\
x(x-7)+1(x-7)=0\\\\ \textbf{Factorised:(x-7)(x+1)=0}\\
\textbf{x=7\ \ or\ \ x=-1}
[/tex]
[tex]8x^4-48x^3=56x^2 \\ \\ 8x^4-48x^3-56x^2=0 \\ \\ \boxed{8x^2(x^2-6x-7)=0}[/tex]
We appreciate your visit. Our platform is always here to offer accurate and reliable answers. Return anytime. We hope our answers were useful. Return anytime for more information and answers to any other questions you have. Thank you for using Westonci.ca. Come back for more in-depth answers to all your queries.