Question

6a²+a2-7por a²-2a+4 ​

Answer 1

(6a^2 +a^2-7)(a^2-2a+4)

(7a^2-7)(a^2-2a+4)

7(a^2)(a^2)+(7a^2)(-2a)+(7a^2)(4)+(-7)(a^2)+(-7)(-2a)+(-7)(+4)

7a^4 - 14a^3+ 28a^2 - 7a^2+ 14a - 28

7a^4 - 14a^3 + 21a^2+ 14a - 28