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Verified answer
1. 20y - 1002. 2x² - 7x + 10x - 35
= 2x² + 3x - 35
3. 14x - 49 - 4x + 14x
= 24x - 49
2. ( x + 5 ) x( 2x - 7) = 2x^2 + 3x -35
3.(7-2x) x (2x-7) = -4x^2 - 49
tanda ^ kita ibarat kan pangkat
mohon dimengerti :)