Since 8 is 2 x 4, 9 x 8 is 2 x 9 x 4
√9 x 2 x (8 - 4) = 3 x 2 x 4 = 24
That equation can not be factored. It can however be solved for x: x2 - 9x + 4 = 0 x2 - 9x + 81/4 = 81/4 - 4 (x - 9/2)2 = 81/4 - 16/4 (x - 9/2)2 = 65/4 x - 9/2 = ± √65 / 2 x = (9 ± √65) / 2
1) x+9=13 (subtract 9) x=4 2) x+9=13 (divide by 9) x/9+1=13/9 (use Pascals theorem of 1) (x+4)/2=4 x+4=8 x=4
18 ÷ 9 x 2 = (18 ÷ 9) x 2 = 2 x 2 = 4
13
Since 8 is 2 x 4, 9 x 8 is 2 x 9 x 4
8 x (9 - 3) 4^2 (9 - 3) - 4^2 12-4^2 4 x 8 =32
(-9x^2/√x) + 4= [-9x^2/x^(1/2)] + 4= (-9x^2)[x^(-1/2)] + 4= -9x^[2 + (-1/2)] + 4= -9x^(2 - 1/2) + 4= -9x^(3/2) + 4= -9√x^3 + 4= -9√[(x^2)(x)] + 4= -9x√x + 4Or,(-9x^2/√x) + 4= [(-9x^2)(√x)/(√x)(√x)] + 4= [(-9x^2)(√x)/√x^2] + 4= [-9(x)(x)(√x)/x] + 4 simplify x= -9x√x + 4
√9 x 2 x (8 - 4) = 3 x 2 x 4 = 24
That equation can not be factored. It can however be solved for x: x2 - 9x + 4 = 0 x2 - 9x + 81/4 = 81/4 - 4 (x - 9/2)2 = 81/4 - 16/4 (x - 9/2)2 = 65/4 x - 9/2 = ± √65 / 2 x = (9 ± √65) / 2
36/2=18 18/2=9 9/3=3 36/3=12 12/2=6 6/2=3 36/4=9 9/3=3 36/6=6 6/2=3
4/9 x 9 = 4.
1) x+9=13 (subtract 9) x=4 2) x+9=13 (divide by 9) x/9+1=13/9 (use Pascals theorem of 1) (x+4)/2=4 x+4=8 x=4
f(x) = 2 * 2 - x + 9 f(-4) = 2 * 2 -(-4) + 9 f(-4) = 4 + 4 + 9 = 17
18 ÷ 9 x 2 = (18 ÷ 9) x 2 = 2 x 2 = 4
(9+4)x(2-3)