Question

without actual division show that x²-3x+2is a factor of 2x4-5x³+2x²x+2​

Answer 1

solving and finding the roots of quadratic equation...=> x^2-3x+2

=> x^2-2x-x+2

=> x(x-2)-1(x-2)

=> x=1,2

now putting these values and cheack weather it is satisfying the cubic question or not...