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Combining like terms $- 8^2$ and $- 9^2$
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$-\left(9^2- 10^2\right)\cdot 8^2+\left(10^2+8^2\right)9^2-210^2$
Learn how to solve addition of numbers problems step by step online. Simplify -8^2(9^2-10^2)+9^2(10^2+8^2)10^2(-8^2-9^2). Combining like terms - 8^2 and - 9^2. Simplify the product -(9^2- 10^2). Calculate the power 8^2. Calculate the power 9^2.