What is factor 2x^2-21x+49 ?

The solution to factor 2x^2-21x+49 is (2x-7)(x-7)

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factor 2x^2-21x+49

factor

2 x^{2} - 21 x + 49

(2 x - 7) (x - 7)

Solution steps

2 x^{2} - 21 x + 49

Break the expression into groups

= (2 x^{2} - 7 x) + (- 14 x + 49)

Factor out

x

from

2 x^{2} - 7 x : x (2 x - 7)

Factor out

- 7

from

- 14 x + 49 : - 7 (2 x - 7)

= x (2 x - 7) - 7 (2 x - 7)

Factor out common term

2 x - 7

= (2 x - 7) (x - 7)

\frac{2 a ^{3} b ^{- 4}}{3 a ^{5} b ^{- 2}}

\frac{3.999}{3.999 - 4}

690

e^{i x} + e^{- i x}

- 2 x = - 10