Solving the quadratic equation x = [-(-123) ± √((-123)^2 - 44(-38270))]/2* x = [123 ± √(15129 + 613120)]/ x = [123 ± √(628249)]/ x = [123 ± 791]/8 or x = [123 ∓ 791]/ x = (123 + 791)/8 or x = (123 - 791)/ x = 914/8 or x = -668/ x = 114.25 or x = -83.5
4) 16x/4 = 805/2 4x = 805*4/2 4x = 14 x = 140/ x = 35
Therefore, the solutions are y = 3 x ≈ 71.6135 x ≈ 114.25 or x ≈ -83. x = 35
Let's solve these equations step by step:
1) 64 + y = 12 *
64 + y = 9
y = 96 - 6
y = 32
2) 72 - x = 663:171
72 - x = 0.3864
x = 72 - 0.3864
x ≈ 71.61353
3) 152 + 38270/x = 29 + 16x/
152 + 38270/x = 29 + 4
152x + 38270 = 29x + 4x^
4x^2 - 123x - 38270 = 0
Solving the quadratic equation
x = [-(-123) ± √((-123)^2 - 44(-38270))]/2*
x = [123 ± √(15129 + 613120)]/
x = [123 ± √(628249)]/
x = [123 ± 791]/8 or x = [123 ∓ 791]/
x = (123 + 791)/8 or x = (123 - 791)/
x = 914/8 or x = -668/
x = 114.25 or x = -83.5
4) 16x/4 = 805/2
4x = 805*4/2
4x = 14
x = 140/
x = 35
Therefore, the solutions are
y = 3
x ≈ 71.6135
x ≈ 114.25 or x ≈ -83.
x = 35