What is factor x^2-3x-28 ?

The solution to factor x^2-3x-28 is (x+4)(x-7)

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factor x^2-3x-28

factor

x^{2} - 3 x - 28

(x + 4) (x - 7)

Solution steps

x^{2} - 3 x - 28

Break the expression into groups

= (x^{2} + 4 x) + (- 7 x - 28)

Factor out

x

from

x^{2} + 4 x : x (x + 4)

Factor out

- 7

from

- 7 x - 28 : - 7 (x + 4)

= x (x + 4) - 7 (x + 4)

Factor out common term

x + 4

= (x + 4) (x - 7)

5 e^{0}

\frac{π}{6} + 2 π

4 x^{2} - 16 x = 0

p^{2} - 4 p - 21 = 0

A = \frac{\frac{3 π}{4} 400}{2}