(x-4)² + (x-2)² = x²
(x² - 8x + 16 ) + (x² - 4x + 4) = x
2x² -12x + 20 = x
2x²-12x + 20 - x = 0
2x² - 13x + 20 = 0
(2x-5) (x-4) = 0
2x-5 = 0
2x = 5
x = ⁵/₂
x-4 = 0
x = 4
so x₁ = ⁵/₂ , and x₂ = 4
Answer:
Step-by-step explanation:
The equation of a straight line is:
y = mx + b
m is the slope, and that is -2.
All of that bit about simplify and ... is just a smoke screen to make you think the answer might not be so simple.
Answer:
19.2
Step-by-step explanation:
Area of rectangle 4*7= 28
length of triangle 10.5-7= 3.5
area of triangle (3.5*4)/2= 7
area = 28+7 = 35cm
Answer is 35cm
