hello : <span><span>the discriminat of each quadratic equation : ax²+bx+c=0 ....(a ≠ 0) is : Δ = b² -4ac</span> if: Δ = 0 : : x1 =x2 = -b/2a </span> (has a repeated solution)
Answer:
x=0 x=2
Step-by-step explanation:
X² - 2x=0
Factor
x(x-2) = 0
Using the zero product property
x=0 x-2 =0
51 degress
sin x = 7/9
x = sin^-1 (7/9)
simply using a calculator.