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There are no mathematical operators between 8 and x nor between x and -6.
6 x x=8
6 x 8 = 48
Its a little confusing. If the number is a the product of a number times itself. Such as 8 x 8 = 64, 4 x 4 = 16, 6 x 6 = 36
x2 + 8 = 6x ie x2 - 6x + 8 = 0. This factorises as (x - 2)(x - 4), so x is either 2 or 4. Check: 4 + 8 = 6 x 2 OK, 16 + 8 = 6 x 4 OK QED
71-ans x<8(6+3) x<8(9) x<72 therefore,x=71
6 x x=8
8+6(x)
6 x 8 = 48
Its a little confusing. If the number is a the product of a number times itself. Such as 8 x 8 = 64, 4 x 4 = 16, 6 x 6 = 36
twenty-four 24 = 6 x 4 = 8 x 3 = 12 x 2
x2 + 8 = 6x ie x2 - 6x + 8 = 0. This factorises as (x - 2)(x - 4), so x is either 2 or 4. Check: 4 + 8 = 6 x 2 OK, 16 + 8 = 6 x 4 OK QED
71-ans x<8(6+3) x<8(9) x<72 therefore,x=71
Let's represent the # with x 4x-8=8(x+2) 4x-8=8x+16 4x-8x=16+8 -4x=24 x=24/-4 x=-6 The number is -6
8
From 8 numbers there are 28 possible 6 number combinations. As you are selecting 6 numbers from 8 and the order of selection doesn't matter: First, there are 8 x 7 x 6 x 5 x 4 x 3 ways that 6 numbers can be selected in order. However, as the order doesn't matter, each 6 number combinations will be selected in 6 x 5 x 4 x 3 x 2 x 1 ways. Thus there are (8 x 7 x 6 x 5 x 4 x 3) ÷ (6 x 5 x 4 x 3 x 2 x 1) = 28 different combinations.
This is the algebraic equation 2(x) + (x)2 = 48 And the equation x2 + 2x -48 = 0 has the solution (x-6)(x+8) = 0 So the number is either 6 or -8.
8