if a number is positive, then it’s square is positive

Question

if a number is positive, then it’s square is positive

in progress 0
Euphemia 5 years 2021-07-24T06:05:41+00:00 2 Answers 27 views 0

Answers ( )

    0
    2021-07-24T06:07:01+00:00

    Answer:

    Yes, because of the fact that (+)(+)=+, but (-)(+)=-

    Step-by-step explanation:

    0
    2021-07-24T06:07:13+00:00

    Yes.
    + x + = +
    – x + = –
    – x – = +

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )