Question

c) Factorize: x⁴+ 9x² + 81.​

Answer 1

Step-by-step explanation:

x⁴+9x²+81 = (x2+9+3x)(x2+9−3x).

Thus the factors are (x2+9+3x) and (x2+9−3x).

So by this we can express algebraic expression as a product of two algebraic expressions which we called as factors.