Question

if (2x+1)( x-5) =2(x^2-1), what is the value of x?

Answer 1

wouldn't 2(x^2-1) be distributed to 2x^2-2?

Answer 2

oops oh sorry

Answer 3

x = -3/9=-1/3

Answer 4

do you need work?????????

Answer 5

yes i didn't know to cancel the 2x^2 so your first answer got me on the right track

Answer 6

\[2x^2-9x-5=2x^2-2\]
\[-5+2=2x^2-2x^2+9x\]
\[9x=-3\]
\[x=-3/9\]
\[x=-1/3\]

Answer 7

oh! i did not know what i meant by work thanks anyways