Solve 2x^2 = 9x. Round to the nearset tenth.

Question

a) x = 0 or x = -4.5
b) x = 1.5 or x = 3
c) x = 4.5
d) x = 0 or x = 4.5

Answer 1

2x^2 = 9x
x² = 4.5x
x²-4.5x=0
x(x-4.5) = 0
Can you take it from here?

Answer 2

Thanks MathMate

Answer 3

You're welcome!