Answered

Equation x² - 3 x = - 4 standard form​

Sagot :

Zataraaviz

Answer:

x = 4

Step-by-step explanation:

given x² - 3 x = -4

x² - 3x -4 = 0

x² - 4x + x -4 = 0

x (x - 4) + ( x -4) =0

(x-4)(x+1)=0

x+1=0 or x-4=0

X= 4