64x^2-81x=? math problem please help!?
please help me solve it
64x^2 - 81x = ?
thanks in advance
i meant by factoring sorryif i was unclear XD
64x^2-81 =
(8x - 9)(8x + 9)
Now if the equation is like this
64x^2-81x = ???
please help me solve it
64x^2 - 81x = ?
thanks in advance
i meant by factoring sorryif i was unclear XD
64x^2-81 =
(8x - 9)(8x + 9)
Now if the equation is like this
64x^2-81x = ???
Natalie Z
Favorite Answer
x(64x - 81) = 0
x = 0 and x = 81/64
x={0,81/64} ?
Im not sure what else you can do with it?
Good luck!
tj
Start by factoring an x out of it.
x (64x - 81) = 0
The only way this equals zero is if
x = 0 or 64x - 81 = 0
So x = { 0 , 81/64 }