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4x² - 32x = -28 perfect square

4x² - 32x = -28 perfect square
asked 141k views
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4x² - 32x = -28 perfect square

asked
User Natural
by
8.3k points

1 Answer

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Let's do

  • 4x²-32x=-28
  • 4x²-32x+28=0
  • (2x)²-2(2x)(8)+28=0
  • (2x)²-2(2x)(8)+36+28-36=0
  • (2x)²-2(2x)(8)+64-36=0
  • (2x-8)²-6²=0
  • (2x-8)²=6²
answered
User Mohitt
by
8.0k points
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