What is factor 42r^2-49r^2+18r-21 ?

The solution to factor 42r^2-49r^2+18r-21 is -7r^2+18r-21

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factor 42r^2-49r^2+18r-21

factor

42 r^{2} - 49 r^{2} + 18 r - 21

- 7 r^{2} + 18 r - 21

Solution steps

42 r^{2} - 49 r^{2} + 18 r - 21

Add similar elements:

42 r^{2} - 49 r^{2} = - 7 r^{2}

= - 7 r^{2} + 18 r - 21

(x - 2) 2 - 4 (x - 2)

8 x^{2} y

se x (arctan (x))

1 2^{2} - 11 x + 2

2 ab x + 4 ab y + c x + 2 cy

What is factor 42r^2-49r^2+18r-21 ?
The solution to factor 42r^2-49r^2+18r-21 is -7r^2+18r-21