Question

Теңдеуді шешіңіз. (4-х)(х+3) = 1,2 • 5

Answer 1

(4-х)(х+3) = 1,2 • 5

4x - x^2 +12 - 3x = 6

x^2 - x - 6 =0

(x-3)(x+2)=0

x1=3   x2= -2