(See Steps) Simplify the following expression
Question: Simplify the following expression
\[\left( 7{{t}^{2}}-9t \right)-\left( 2{{t}^{2}}-7t+3 \right)+\left( -7{{t}^{2}}+7t+4 \right)\]
Deliverable: Word Document 
(Steps Shown) Multiply the following expression: 8z^4t^7• 3z•
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(Solved) Find the derivative of the following: d(x)=(2x-3)(x^2-6)
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