Evaluate
6x\left(8x+1\right)
Factor
6x\left(8x+1\right)
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6x+49x^{2}-x^{2}
Combine 7x and -x to get 6x.
6x+48x^{2}
Combine 49x^{2} and -x^{2} to get 48x^{2}.
x\left(6+48x\right)
Factor out x.
48x+6
Consider 7-1+49x-x. Multiply and combine like terms.
6\left(8x+1\right)
Consider 48x+6. Factor out 6.
6x\left(8x+1\right)
Rewrite the complete factored expression.
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