Question

factorise the quadratic equation 2b²+10b+12=0​

Answer 1

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$2b²+10b+12=0$

$\implies \: 2b²+6b + 4b+12=0$

$\implies \: 2b(b+3) + 4(b+3)=0$

$\implies \: (b + 3)(2b + 4)=0$

$\implies \: 2(b + 3)(b + 2) = 0$

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