7+10(2x-3y)-8(2x-3y)whole square
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Answer:
=7+4x-6y
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Step-by-step explanation:
- 7+10(2x-3y)-8(2x-3y)²
- 7+10(2x-3y)-8[(2x)²+(3y)²-2(2x*3y)]
- 7+ 20x - 30y - 8[4x²+9y²- 12xy]
- 7 + 20x - 30y - 32x² - 72y² + 96xy
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