Question

X^2−2(x+5) x=10 thanks for helping

Answer 1

Step-by-step explanation:

If x=10

$\tt{ x^2-2(x+5) }$ ⠀

$\tt{ (10)^2-2×(10+5) }$ ⠀

$\tt{100-2×15 }$ ⠀

$\tt{ 100-30 }$ ⠀

$\bold{ 70 }$ ⠀