The factors of x4+x2=25 are

We have,= Adding and subtracting 9x2 in the equation== =Thus the factors of (x4+x2+25) are

Q2 of 111 Page 5

The factors of x⁴+x²=25 are

We have,

Adding and subtracting 9x² in the equation

Thus the factors of (x⁴+x²+25) are

Write the value of: 30³+20³-50³.

The factors of a²-1-2x-x² are

The factors of x²+4y²+4y-4xy-2x-8 are

The factors of x³-x²y-xy²+y³are