[tex]10x {}^{3} - 35x {}^{2} - 12x + 42[/tex]
Rewrite;
[tex] \rightarrow(10x {}^{3} - 35 {x}^{2} ) - (12x - 42)[/tex]
Factor parentheses;
[tex]\rightarrow5 {x}^{2} (2x - 7) - 6(2x - 7)[/tex]
Factor out common term 2x - 7;
(Answer:)
[tex]\rightarrow \red{(5 {x}^{2} - 6)(2x - 7)}[/tex]
[tex] \\ [/tex]
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