Question

under the QUADRATIC EQUATION(Roots)
Find the number, when added to its square , the sum is 42.

Answer 1

x + x^2 = 42...

Answer 2

x = 6 or x = -7

Answer 3

\[x+x^2=42\]\[x^2+x-42=0\]\[(x+7)(x-6)=0\]\[x=-7, 6\]
If you try plugging both numbers in they work.