Addition and subtraction are inverse functions.
moo moos
Subtracting a fraction is the same as adding its negative.
subtracting
adding
Adding and subtracting polynomials is simply the adding and subtracting of their like terms.
The answer is -2m
Addition and subtraction are inverse functions.
moo moos
just add the negative of the polynomial, that is the same as subtracting it. For example, x^2+2x is a poly, the negative is -x^2-2x. So if we want to subtract x^2+2x from another poly, we can add the negative instead.
You subtract a polynomial by adding its additive inverse. For example, subtracting (x - y) is the same as adding (-x + y). Alternately, you can simply subtract similar terms - that is, subtract the coefficients (the numbers) for terms that have the same combination of variables.
Subtracting a fraction is the same as adding its negative.
shape adding dividing subtracting multiplying perimeter area ratio proportion fractions algebra measurements and probably many others
subtracting
adding
I learned to always change the denominators before adding or subtracting the numerators. You must always have a common denominator before adding or subtracting.
The numbers can have a positive or negative sign.