1.

Factorization: \[{{\mathbf{x}}^{\mathbf{2}}}-\mathbf{3x}-\mathbf{54}\]

A. \[\left( x-9 \right)\left( x-6 \right)\]
B. \[\left( x-9 \right)\left( x+6 \right)\]
C. \[\left( x+9 \right)\left( x+6 \right)\]
D. \[\left( x-4 \right)\left( x+3 \right)\]
Answer» C. \[\left( x+9 \right)\left( x+6 \right)\]


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