Question

out of the following which one is not a quadratic equations options A ,-x²+4x=11+x² B,x²=4x, C = 5x²=90 , D = 2x-x²=x²+5​

Answer 1

Answer:

B is not a quadratic equations options A ,-x²+4x=11+x² B,x²=4x, C = 5x²=90 , D = 2x-x²=x²+5