1) 3x-1=6x+8-3x=9x=-3
2) x^2 + 3x = 7^2x^2 + 3x - 49 = 0(x-4)(x+7) = 0x = 4 or x = -7
3) x^2 + 2x - 4 = 2^2x^2 + 2x - 4 = 4x^2 + 2x - 8 = 0(x-2)(x+4) = 0x = 2 or x = -4
4) x^2 - 5x + 33 = 1/33x^2 - 15x + 99 = 13x^2 - 15x + 98 = 0using the quadratic formula, x ≈ 1.99 or x ≈ 4.17.
1) 3x-1=6x+8
-3x=9
x=-3
2) x^2 + 3x = 7^2
x^2 + 3x - 49 = 0
(x-4)(x+7) = 0
x = 4 or x = -7
3) x^2 + 2x - 4 = 2^2
x^2 + 2x - 4 = 4
x^2 + 2x - 8 = 0
(x-2)(x+4) = 0
x = 2 or x = -4
4) x^2 - 5x + 33 = 1/3
3x^2 - 15x + 99 = 1
3x^2 - 15x + 98 = 0
using the quadratic formula, x ≈ 1.99 or x ≈ 4.17.