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usually means times a number in algebra example: if x equals 4 then what is 4x? the answer is 16 because it means 4 times 4
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What is 40x equals 280?
40x=280 x=7
What is x if 45 plus 35x equals 40x?
x equals 9
How do you solve X-2x equals 3x-43x plus 1?
For x-2x= 3x-43x+1 x-2x= -x and 3x-43x+1 = -40x+1 so -x= -40x+1 subtract -x from both sides 0= -39x +1 -1 = -39x so 1=39x so x=1/39
What is the factorization of the trinomial- x3 plus 13x2 plus 40x?
X3 + 13X2 + 40X factor out an X X(X2 + 13X + 40) factor the quadratic expression, what two factors of 40 add up to 13? X(X + 8)(X + 5) works the same if that is a negative in front of X3, just sign changes
How many gallons of a 50 percent antifreeze solution most be mixed with 90 gallons 10 percent antifreeze to get a mixture that is 40 percent antifreeze?
Multiply These Equals What you mix 50 .10+x 5+50x Plus what you have 90 .10 9 Equals what you need 40 x 40x 5+50x+9=40x 14+50x=40x 10x=14 x=1.4 140%
What is 40x equals 280?
40x=280 x=7
How do you factor 4x2 40x 100?
If you mean: 4xsquared+40x+100 then divide all terms by 4 which then factors to (x+5)(x+5)
How do you factor xsquared-40x 400?
(x - 20)(x - 20)
What is 40x something equals 360?
40x=360 div both sides by 40 x=9
How do you figure out the GCF on 12x 40x squared?
2 * 2 * 3 * x = 12x2 * 2 * 2 * 5 * x * x = 40x^2Select the common factors.2 * 2 * x = 4x, the GCF
What is x if 45 plus 35x equals 40x?
x equals 9
Factoring tronimials- What is the answer to 35 plus 40x plus 5xsquared?
35 + 40x + 5x2 = 5(7 + 8x + x2) = 5(7 + x)(1 + x)
What is the factorization of x3 plus 13x2 plus 40x?
x(x + 8)(x + 5)
What does a total costs equal?
TC=x^2-40x=405
What percent is 26 out of 40?
26/40 = x/100 cross multiply 40x=2600 x= 65%
How do you solve X-2x equals 3x-43x plus 1?
For x-2x= 3x-43x+1 x-2x= -x and 3x-43x+1 = -40x+1 so -x= -40x+1 subtract -x from both sides 0= -39x +1 -1 = -39x so 1=39x so x=1/39
How do you do 5x2 40x0?
5x^2 + 40x = 05x(x + 8) = 05x = 0 or x + 8 = 0x = 0 or x = -8Check:
