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If ( x+a) is a factor of 2xsq +2ax + 5x + 10 find a |
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Answer» 2(-a)sq+2a.(-a) +5(-a) +10=02asq-2asq-5a+10=0-5a =-10a=2 2xsq +2ax +5x + 10X=-a2(-a)sq+ 2a(-a)+5(-a)+102asq-2asq-5a+10-5a+10=0a=2 |
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