Question

-6bsquare-(+4bsquare)​

Answer 1

Step-by-step explanation:

(-6b)^2-(4b)^2

36b^2-16b^2=20b^2 is your answer.

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Answer 2

Answer:

$- 6 {b}^{2} + ( - 4 {b}^{2} ) = - 6 {b}^{2} - 4 {b}^{2} = - 10 {b}^{2}$