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never [62]
1 year ago
14

Fully factorise x² + 7x+6

Mathematics
2 answers:
wlad13 [49]1 year ago
6 0

just find the roots and substitute

a(x - "first root") (x - "second root")

marin [14]1 year ago
5 0

\\ {\large{\textsf{\textbf{\underline{\underline{ Question \: :}}}}}}  \\

Factorise ;

  • x² + 7x+6

\qquad\rule{120pt}{2pt}

\\ {\large{\textsf{\textbf{\underline{\underline{ Solution \: :}}}}}}  \\

\\  \sf \implies \:  {x}^{2} + 7x+6 \\

\\  \sf \implies \:  {x}^{2} + 6x + x+6 \\

\\  \sf \implies \:  x(x + 6)  +1 (x+6) \\

\\  \sf \implies \:  (x + 6)   (x+1) \\

\\  \sf \implies \:  x + 6= 0 \:\:\:\:  and\:\:\:\:  x+1=0 \\

\\  \sf \implies \:  x= 0 -6\:\:\:\:  and\:\:\:\:  x=0-1 \\

\\  \sf \implies \:  x= -6\:\:\:\:  and\:\:\:\:  x=-1 \\

\\\sf\implies\;{\underline{\boxed {\bf{ \:\:x=-6\:\: }}} }\red\bigstar \;\; \;\; \;{\underline{\boxed {\bf{ \:\:x=-1\:\: }}} }\red\bigstar \\

\\\qquad\rule{120pt}{2pt}\\

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