anonymous
  • anonymous
Factor please: 8x^2-6x-9=0
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
need to know how to do it and why please
misssunshinexxoxo
  • misssunshinexxoxo
8x^2 - 6x - 9 = 0 ac = 8(-9) = - 72 Factors of - 72 that add to - 6 are +6 & - 12 8x^2 + 6x - 12x - 9 = 0 2x(4x + 3) - 3(4x + 3) = 0 (2x - 3)(4x + 3) = 0 x = 3/2, - 3/4
anonymous
  • anonymous
hang on lemme process this

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anonymous
  • anonymous
Why is it (2x-3) (4x+3)=0 did u skip a step?
misssunshinexxoxo
  • misssunshinexxoxo
No that is the process after factoring
misssunshinexxoxo
  • misssunshinexxoxo
Plug in the numbers, factor, and you receive the solution

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