Question

4(X-1)平方-3(x-1)=7 过程!谢谢

Answer 1

4(x - 1)² - 3(x - 1) = 7

4(x - 1)² - 3(x - 1) - 7 = 0

[4(x - 1) - 7][(x - 1) +1] = 0

x(4x - 11) = 0

x = 0 或 x = 11/4