What is factor 4x^2-4x-63 ?

The solution to factor 4x^2-4x-63 is (2x+7)(2x-9)

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factor 4x^2-4x-63

factor

4 x^{2} - 4 x - 63

(2 x + 7) (2 x - 9)

Solution steps

4 x^{2} - 4 x - 63

Break the expression into groups

= (4 x^{2} + 14 x) + (- 18 x - 63)

Factor out

2 x

from

4 x^{2} + 14 x : 2 x (2 x + 7)

Factor out

- 9

from

- 18 x - 63 : - 9 (2 x + 7)

= 2 x (2 x + 7) - 9 (2 x + 7)

Factor out common term

2 x + 7

= (2 x + 7) (2 x - 9)

18 - 3 ∣ 30 - 5 x ∣ < - 42

\frac{10 x + 8}{2} = 5 x + 4

5 y^{2} = - 21 y - 4

(b^{3} + 5 b c + 10 c^{3}) - (12 b^{3} + 6 b c^{2} + c^{3})

H (2.8) = 50 - (4.9 \cdot 2. 8^{2})