What is factor 2r^2+7r-30 ?

The solution to factor 2r^2+7r-30 is (2r-5)(r+6)

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factor 2r^2+7r-30

factor

2 r^{2} + 7 r - 30

(2 r - 5) (r + 6)

Solution steps

2 r^{2} + 7 r - 30

Break the expression into groups

= (2 r^{2} - 5 r) + (12 r - 30)

Factor out

r

from

2 r^{2} - 5 r : r (2 r - 5)

Factor out

6

from

12 r - 30 : 6 (2 r - 5)

= r (2 r - 5) + 6 (2 r - 5)

Factor out common term

2 r - 5

= (2 r - 5) (r + 6)

- \frac{3}{4} - \frac{1}{2}

4 ∣ x - 8 ∣ - 8 = - 5 ∣ x - 8 ∣ + 19

ln (5 x)

169 m^{2} - 196 n^{2}

x^{2 - 36}