If: x+3+6x+9 = 0 then 7x+12 = 0 So: 7x = -12 and x = -12/7
(x + 3)(x + 4) x = -3, -4 Check it. 9 - 21 + 12 = 0 16 - 28 + 12 = 0 It checks.
If you mean: (9, -12) then the equation is y = -12 which is a straight line parallel to the x axis passing through (0, -12)
x+x^2 = 12 x^2+x-12=0 (x+4)(x-3)=0 X = -4 or 3 Answer is 3. CHECK YOUR ANSWER: 3 + 3^2 = 3+9 = 12
x2 + 8x - 9 = 0(x + 9) (x - 1) = 0(x + 9) = 0 . . . . . x = -9(x - 1) = 0 . . . . . x = 1
4 * 3=12 * 2-X-3 12=24-(X+3) 0=12-(X+3) 0=X-9 X=-9
If: x+3+6x+9 = 0 then 7x+12 = 0 So: 7x = -12 and x = -12/7
9 x 1012 = 9,000,000,000,000 = (9 x 1012) + (0 x 1011) + (0 x 1010) + (0 x 109) + (0 x 108) + (0 x 107) + (0 x 106) + (0 x 105) + (0 x 104) + (0 x 103) + (0 x 102) + (0 x 101) + (0 x 100).
x - 9 = 0 x - 9 = 0 x - 9 = 0 x - 9 = 0
(x + 3)(x + 4) x = -3, -4 Check it. 9 - 21 + 12 = 0 16 - 28 + 12 = 0 It checks.
If you mean: (9, -12) then the equation is y = -12 which is a straight line parallel to the x axis passing through (0, -12)
x+x^2 = 12 x^2+x-12=0 (x+4)(x-3)=0 X = -4 or 3 Answer is 3. CHECK YOUR ANSWER: 3 + 3^2 = 3+9 = 12
-12 = x+9 x+9 -9 = -12 -9 x = -21
x2 + 8x - 9 = 0(x + 9) (x - 1) = 0(x + 9) = 0 . . . . . x = -9(x - 1) = 0 . . . . . x = 1
Divide all terms by 3:- x2-12+27 = 0 When factored:- (x-3)(x-9) = 0 Therefore: x = 3 or x = 9
9 x 0 = 0 9 x 1= 9 9 x 2 = 18 9 x 3 = 27 9 x 4 = 36 9 x5 = 45 9 x 6 = 54 9 x 7 = 63 9 x 8 = 72 9 x 9 = 81 9 x 10 = 90 9 x 11 = 99 9 x 12 = 108 There is the 9 = times table up to '12'. You can select the five positive multiples from that table.
x2 + 6x + 9 = 81 x2 + 6x = 72 x2 + 6x - 72 = 0 (x+12)(x-6) = 0 x= -12, 6 (two solutions)