Question

w.4 add and subtract polynomials 5ek
add.
$(6j^{2} + 3) + (j^{3} + j^{2})$

Explanation:

Step1: Remove parentheses

$6j^2 + 3 + j^3 + j^2$

Step2: Combine like terms

$j^3 + (6j^2 + j^2) + 3$

Step3: Simplify the expression

$j^3 + 7j^2 + 3$

Answer:

$j^3 + 7j^2 + 3$