Answered

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-2( 4 - 6h ) +9-8 - 12h + 9-12h + 1Explain the error in the work.

Sagot :

The error is in the distribution property application, in the way the signs are multiplied.

We will look at it in detail:

[tex]\begin{gathered} -2(4-6h)+9 \\ \lbrack(-2)(4)+(-2)(-6h)\rbrack+9 \\ (-8+12h)+9 \\ 12h+1 \end{gathered}[/tex]

When (-2) is multiplied by (-12h) it should end with a positive sign, as (-a)*(-b)=a*b

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