Asked by Anonymous
Can -x^2 - 5x + 4 be written as x^2 + 5x - 4?
Answers
Answered by
Reiny
nope, what you wrote is the opposite of what you had
That is like saying can 5 be written as -5 ?
That is like saying can 5 be written as -5 ?
Answered by
Steve
however, if you are solving an equation, such as
-x^2 - 5x + 4 = 0
you can multiply both sides by -1 to get rid of the leading minus sign:
x^2 + 5x - 4 = 0
since -0 = 0.
-x^2 - 5x + 4 = 0
you can multiply both sides by -1 to get rid of the leading minus sign:
x^2 + 5x - 4 = 0
since -0 = 0.
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