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By method of Completing square x2+4x+10=0 |
| Answer» x2+4x+10=0x2+4x=-10Multiply by 4a=4*1=44x2+16x=-40adding b2=(-4)2=164x2+16x+16=16-40(2x)2+2*(2x)(4)+42=-24{tex}\\begin{array}{l}(2x+4)^2=4\\times-6\\\\2x+4=\\pm\\sqrt{4\\times-6}\\\\2x=-4\\pm2\\sqrt{-6}\\\\x=-2\\pm\\sqrt{-6}\\\\\\\\\\\\\\end{array}{/tex}\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0 | |