Question

what must be subtracted from x power 4 + 2 x cube minus 2 X square + 4 x + 6 so that the result is exactly divisible by X square + 2 x minus 3​

Answer 1

$x ^{4} + 2x \times 2x \times 2x - {2x}^{2} + 4x + 6 \div {x}^{2} + 2x - 3$

this is your equation