(5x – 3)(x + 4) – (2x + 5)(3x – 4)
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Answered by
2
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Answer:
= -x² + 10x - 32
step by step solution:
(5x-3)(x+4) - (2x+5)(3x-4)
= 5x(x+4) -3(x+4) - [2x(3x-4) +5(3x-4)]
= 5x² + 20x -3x -12 - 6x² + 8x -15x -20
= -x² + 10x - 32
Answered by
1
(5x - 3)(x +4) - (2x + 5)(3x -4)
5x² + 20x -3x -12 -(6x²-8x + 15x -20)
5x² +17x -12 - 6x² -7x +20
-x² +10x +8
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