(5x - 2)(x - 5)
(x + 5)(x + 2)
x=13.5
2275.91 = 28xx = 81.2825
21x2 + 27x - 30 = 3*(7x2 + 9x - 10) = 3*(7x2 - 5x + 14x - 10) =3*[x*(7x - 5) + 2*(7x - 5)] = 3*(7x - 5)*(x + 2)
3x2 + 27x = 30 ∴ x2 + 9x - 10 = 0 ∴ (x + 10)(x - 1) = 0 ∴ x ∈ {-10, 1}
The prime factorization of 8 is 2^3. The prime factorization of 27 is 9 x 3.
(5x - 2)(x - 5)
(x + 5)(x + 2)
x=13.5
X2 -11x +10=(x - 1 )(x - 10)
x + 12x + 20 = (x + 10)(x + 2)
2275.91 = 28xx = 81.2825
21x2 + 27x - 30 = 3*(7x2 + 9x - 10) = 3*(7x2 - 5x + 14x - 10) =3*[x*(7x - 5) + 2*(7x - 5)] = 3*(7x - 5)*(x + 2)
9x2 + 27x - 36 = 9(x2 + 3x - 4) = 9(x + 4)(x - 1)
(2x - 3)(x - 12)
27x-3=105 27x=105+3 27x=108 x=108/27 x=4ans