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Solve for all values of × by factoring. x^2+6x-4=3x+6

Solve For All Values Of By Factoring X26x43x6 class=

Sagot :

let's solve for x :

  • [tex] {x}^{2} + 6x - 4 = 3x + 6[/tex]

  • [tex] {x}^{2} + 6x - 3x - 4 - 6 = 0[/tex]

  • [tex] {x}^{2} + 3x - 10 = 0[/tex]

  • [tex]x {}^{2} + 5x - 2x - 10=0[/tex]

  • [tex]x(x + 5) - 2(x + 5)=0[/tex]

  • [tex](x + 5)(x - 2)=0[/tex]

hence, the two roots of the above polynomial are -5 and 2