Question

solve (I) problem and answer with the full solution

I will mark as brainliest if you give right answer ​

Answer 1

Answer:

(x²+3)(x²+4)

=(x²)²+(3+4)x²+3×4

=x⁴+7x²+12

Answer 2

Answer:

Step-by-step explanation:

identity to be used

(x+a)(x+b)=x^2 +(a+b)x+ab

Mark as brainliest