Answer :
Answer:
x = 10
Step-by-step explanation:
x(x) + x(4) – 5(x) – 5(4) = x(x) + x(–3)
x² + 4x - 5x -20 = x² - 3x
Collect like terms
x² - x² + 4x -5x +3x -20 = 0
2x = -20
Divide through by 2
X = 10
Answer:
x = 10
Step-by-step explanation:
x(x) + x(4) – 5(x) – 5(4) = x(x) + x(–3)
x² + 4x - 5x -20 = x² - 3x
Collect like terms
x² - x² + 4x -5x +3x -20 = 0
2x = -20
Divide through by 2
X = 10