jaxkso jaxkso
  • 02-02-2017
  • Mathematics
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Solving quadratics equations by taking square root

Solving quadratics equations by taking square root class=

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mohsan573
mohsan573 mohsan573
  • 02-02-2017
x^2=1 when you apply square root then the value of X is

X=-1,1


2---
a^2+1=19

subtract 1 on both side

a^2=19-1

a^2=18

taking square on both side

a=Square root(18)

the answer is shown in diagram
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