Terms for subject Mathematics containing in powers of x

English	Russian
an the expansion in series of this function in powers of x	разложение в ряд по степеням
by on expanding in powers of x we obtain	при разложении по степеням x мы получаем
by means of an expansion in powers of x	путём разложения по степеням x
expand in powers of x	разлагать по степеням х
expand in powers of x	разлагать по степеням
expand this function in a power series of x	разлагать в ряд по степеням
expansion in powers of x	разложение по степеням
expansion in powers of x	разложение по степеням х
if a polynomial is arranged in decreasing power of x	если члены полинома расположены в порядке убывания степеней x (, but with the terms having zero coefficients omitted, there is said to be a variation in signs whenever two successive terms of the polynomial are opposite in sign)
if a polynomial is arranged in decreasing power of x	если члены полинома расположены в порядке убывания степеней x (, but with the terms having zero coefficients omitted, there is said to be a variation in signs whenever two successive terms of the polynomial are opposite in sign; ...)
in powers of x	по степеням x
series in terms of powers of x	ряд по степеням x
the minimally possible mass decreases in proportion to the third power of x with increase in the kinetic energy	пропорционально
the a power series expansion of a function in x	разложение в ряд по степеням
the a Taylor Laurent series expansion in powers of x	разложение в ряд по степеням