teannacerza03 teannacerza03

Today at 7:59 AM
Mathematics

Answered

factor and solve to find roots
x squared -x - 90 =0

Answer :

konrad509 konrad509

Today at 8:05 AM

[tex]x^2-x-90=0\\x^2+9x-10x-90=0\\x(x+9)-10(x+9)=0\\(x-10)(x+9)=0\\x=10 \vee x=-9[/tex]

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