Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$2 { x }^{ 2 } \times 4x$$

Answer

$$8*x^3$$

Solution


Take out the constants.
\[(2\times 4){x}^{2}x\]
Simplify  \(2\times 4\)  to  \(8\).
\[8{x}^{2}x\]
Use Product Rule: \({x}^{a}{x}^{b}={x}^{a+b}\).
\[8{x}^{2+1}\]
Simplify  \(2+1\)  to  \(3\).
\[8{x}^{3}\]
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