What is factor x^2+18x-63 ?

The solution to factor x^2+18x-63 is (x-3)(x+21)

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factor x^2+18x-63

factor

x^{2} + 18 x - 63

(x - 3) (x + 21)

Solution steps

x^{2} + 18 x - 63

Break the expression into groups

= (x^{2} - 3 x) + (21 x - 63)

Factor out

x

from

x^{2} - 3 x : x (x - 3)

Factor out

21

from

21 x - 63 : 21 (x - 3)

= x (x - 3) + 21 (x - 3)

Factor out common term

x - 3

= (x - 3) (x + 21)

5^{12}

∣ x ∣ < 6

5 c^{2} + 30 c + 45

\frac{v ^{2} - 1}{v + 1} \leq 0

x < 3 or x < 6