Question

(2X-5)^2-36=0 ДОЛЖНО получиться 0,5 и 5,5

Answer 1

(2X-5)^2-36=0

4x²-20x+25-63=0

4x²-20x-11=0

D = (-20)²-4*4*(-11)=400+176=576=24²

x₁ = (20-24)/8 = -1/2= -0.5
x₂ = (20+24)/8 = 44/8 = 5.5