x^2 + 13x + 30 = 0 x^2 + 10x + 3x + 30 = 0 x(x + 10) + 3(x + 10) = 0 (x + 3)(x + 10) = 0 x = -3 or x = -10
20 as 10 x 0 = 0 so is just 10 + 10 = 20
x2+6x-40 = 0 (x+10)(x-4) = 0 x = 4 or x = -10
X 2 + 8x -20 =0(x + 10)(x - 2)= 0x + 10 = 0 ............ x = -10andx - 2 = 0 ................. x = 2x = -10 or 2
2x2+18x = 20 2x2+18x-20 = 0 x2+9x-10 = 0 (x+10)(x-1) = 0 x = -10 or x = 1
It is: 110
x^2 + 13x + 30 = 0 x^2 + 10x + 3x + 30 = 0 x(x + 10) + 3(x + 10) = 0 (x + 3)(x + 10) = 0 x = -3 or x = -10
337,060 = (3 x 10^6) + (3 x 10^5) + (7 x 10^4) + (0 x 10^3) + (0 x 10^2) + (6 x 10^1) + (0 x 10^0)
10
20 as 10 x 0 = 0 so is just 10 + 10 = 20
x2+6x-40 = 0 (x+10)(x-4) = 0 x = 4 or x = -10
0
If x is designated as "multiply," my answer is 0. If x is a "variable," my answer is 1.
X 2 + 8x -20 =0(x + 10)(x - 2)= 0x + 10 = 0 ............ x = -10andx - 2 = 0 ................. x = 2x = -10 or 2
0
x2 +7x = 30 x2 +7x - 30 = 0 (x + 10)(x - 3) = 0 Now: x + 10 = 0 or x - 3 = 0 So: x = -10 or x = 3
3x2 + 27x = 30 ∴ x2 + 9x - 10 = 0 ∴ (x + 10)(x - 1) = 0 ∴ x ∈ {-10, 1}