Question

# 6x2 + 17x + 5 = ? (a) (2x + 1)(3x + 5) (b) (2x + 5)(3x + 1) (c) (6x + 5)(x + 1) (d) none of these

Solution

## (b) (2x + 5)(3x + 1) $6{x}^{2}+17x+5=6{x}^{2}+15x+2x+5$               $=3x\left(2x+5\right)+1\left(2x+5\right)\phantom{\rule{0ex}{0ex}}=\left(2x+5\right)\left(3x+1\right)$MathematicsRS Aggarwal (2017)Standard IX

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