What is factor 4x^2+11x-20 ?

The solution to factor 4x^2+11x-20 is (4x-5)(x+4)

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factor 4x^2+11x-20

factor

4 x^{2} + 11 x - 20

(4 x - 5) (x + 4)

Solution steps

4 x^{2} + 11 x - 20

Break the expression into groups

= (4 x^{2} - 5 x) + (16 x - 20)

Factor out

x

from

4 x^{2} - 5 x : x (4 x - 5)

Factor out

4

from

16 x - 20 : 4 (4 x - 5)

= x (4 x - 5) + 4 (4 x - 5)

Factor out common term

4 x - 5

= (4 x - 5) (x + 4)

z^{2} + 2 z + 1 - w^{2}

\frac{5 n ^{2} - 245}{7 n ^{2} + 112 n + 441}

\frac{3}{4} - \frac{7}{8}

4 x^{2} + 20 = 0

lo g_{12} (1)