X=10 x^2 − 2(x+5)

Question

`x=10`

`x^2 − 2(x+5)`

Answer 1

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 }` ⠀