x^2 + (x+5)^2=125 find the root (zeros) of the quadratic polynomial​

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x^2 + (x+5)^2=125 find the root (zeros) of the quadratic polynomial​

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Claire 3 months 2021-11-06T18:23:10+00:00 1 Answer 0 views 0

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    2021-11-06T18:24:23+00:00

    x^2+(x+5)^2=125

    x^2+x^2+25+10x=125

    2x^2+10x-100=0

    x^2+5x-50=0

    x^2+10x-5x-50=0

    x(x+10)-5(x+10)=0

    (x-5)(x+10)=0

    x=5,-10

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