Aplicamos a regra: $\left(a+b\right)^2$$=a^2+2ab+b^2$, onde $a=j$, $b=-6$ e $a+b=j-6$
Try other ways to solve this exercise
Get a preview of step-by-step solutions.
Earn solution credits, which you can redeem for complete step-by-step solutions.
Save your favorite problems.
Become premium to access unlimited solutions, download solutions, discounts and more!