factorise of 3x² + 5x²-168 - 2
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The only (positive) factors of 3 are 3×1
The only (positive) factors of 3 are 3×1The only (positive) factors of 2 are 2×1
The only (positive) factors of 3 are 3×1The only (positive) factors of 2 are 2×1The coefficient of the middle term, 5 can be written as 3×1+2×1
The only (positive) factors of 3 are 3×1The only (positive) factors of 2 are 2×1The coefficient of the middle term, 5 can be written as 3×1+2×13x2+5x+2=(3x+2)(1x+1)
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