What is factor x^2+4x-77 ?

The solution to factor x^2+4x-77 is (x-7)(x+11)

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factor x^2+4x-77

factor

x^{2} + 4 x - 77

(x - 7) (x + 11)

Solution steps

x^{2} + 4 x - 77

Break the expression into groups

= (x^{2} - 7 x) + (11 x - 77)

Factor out

x

from

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

Factor out

11

from

11 x - 77 : 11 (x - 7)

= x (x - 7) + 11 (x - 7)

Factor out common term

x - 7

= (x - 7) (x + 11)

a^{2} - 2 ab + b^{2}

∣ 8 y + 3 ∣ + 5 = 4

4 x^{2} + 21 x + 20

lo g_{7} (49)

- 7 + (\frac{63}{9})