Simplify. Write in standard form.
10 a times left parenthesis negative 6 a squared plus 2 a minus 7 right parenthesis
(1 point)
Responses
negative 60 a cubed plus 20 a squared minus 70 a
Image with alt text: negative 60 a cubed plus 20 a squared minus 70 a
negative 60 a squared plus 20 a minus 70
Image with alt text: negative 60 a squared plus 20 a minus 70
4 a squared plus 12 a minus 3
Image with alt text: 4 a squared plus 12 a minus 3
4 a squared plus 12 a plus 3
Image with alt text: 4 a squared plus 12 a plus 3