10(x + 4)
-3.
-8 + 10x = 18 10x = 18+8 10x = 26 x = 26/10 x = 2.6
12x + 9 = 10x + 1 Subtract 10x from both sides: 2x + 9 = 1 Sutract 9 from both sides: 2x = - 8 Divide both sides by 2: x = -4
Multiply each term of the second expression by each of the terms in the first expression and add them together, collecting like terms together: (x - 6)(3x² + 10x - 1) = x(3x² + 10x - 1) + (-6)(3x² + 10x - 1) = (3x³ + 10x² - x) + (-18x² - 60x + 6) = 3x³ + 10x² - 18x² - x - 60x + 6 = 3x² + (10 - 18)x² + (-1 - 60)x + 6 = 3x² - 8x² - 61x + 6
( x^2 + 10x )^2 = ( x^2 + 10 x) ( x^2 + 10x ) = x^4 + 10x^3 + 10x^3 + 100x^2 = x^4 + 20x^3 + 100x^2 <----------------
Depends on the value of x if x is 1 then 10x + 20 = 30 if x is 2 then 10x + 20 = 40 if x is 3 then 10x + 20 = 50 if x is 4 then 10x + 20 = 60 if x is 5 then 10x + 20 = 70 if x is 10 then 10x + 20 = 120 And so on
2x + (10x - 4) = 20 2x + 10x - 4 = 20 12x - 4 = 20 12x = 24 x = 2
x2+10x-24 = (x-2)(x+12) when factored
5x + 4 = 10x - 5 10x - 5x = 4 + 5 5x = 9 x = 1.8
3x-13x+4=0 -10x+4=0 4=10x 4/10=x simplified: x= 2/5
x = 4
x= zβ4y/10 β y= zβ10x/4
10 x 4 x -9 =40 x -9 =-360
6-3x = 5x-10x+2 4 = 8x-10x 4 = -2x x = -2
10x - 3 - 2x = 4 7x - 3 = 4 7x = 7 x = 1
X + 4 is a factor of x^3 + 3x^2 - 10x - 24 along with (x + 2) and (x - 3)