Question

Rezolvati ecuatiile:
a) (x+2)² = 4(x+3) ; (x-3)² = 3(9-2x)
b) (2x+1)² = 4(x+7) ; (2x-3)² = 3(9-4x)
c) (2x+1)² - 3(x+2)² = 2(7-4x)
d) (3x-2)² - 2(2x+5) = 2(9-26x)

Answer 1

Vezi rezolvarile din anexa !