Question

what must be subtracted from
${ - 4m}^{2} + 5m - 3$
to obtain
${m }^{2} - 3m$
​

Answer 1

Answer:

Let the polynomial be x .

-4m²+5m-3-x=m²-3m

x=-4m²-m²+5m+3m-3

x=-5m²+8m-3

Hence,

-5m²+8m-3 subtracted from -4m²+5m-3 results in m²-3m.