Answer is 6.
Get this by:
9+(-3)= ?
When you have the # + -# you will subtract. Hence 9 PLUS a negative 3 you get 6.
The answer is (10x^2<span> – 3)(100</span>x^4 + 30x^2<span> + 9)</span>

as you notice above, is the first-row components from A, multiplying all the columns subsequently on B, and you add the products of that row, that gives you one component on the AB matrix
in the one above, we end up with a 2x3 AB matrix
Answer:
1.5974
Step-by-step explanation: