0
2x2 = 8x
x = 8x/2x
x = 4
Check:
2(4)2 = 8(4)
2(16) = 32
32 = 32
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∙ 14y ago
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How do you solve 2x2 equals 8x?
2x2 is 4, so if 4=8x then x=1/2. 1/2 times 8 is the same as 8 divided by 2 (8/2), which simplifies to 4/1, or 4. So x=1/2.
How do you factorise x3 plus 2x2-8x plus 5 equals 0?
x3 + 2x2 - 8x + 5 = 0 x(2x - 8) + 5 = 0
How do you solve 2xsquared minus 8x plus 3 equals 0?
2x2 - 8x + 3 = 0 needs to be solved using the quadratic formula.x = (4 + sqrt(10))/2 or x = (4 - sqrt(10))/2
Solve 8x equals 7.2?
8x - 7.2Divide each side by 8:x = 0.9
8x-11 equals 69 can you solve for x?
Yes. 8x - 11 = 69 so 8x = 80 or x = 10.
What does 2x2 minus 8x equals -8?
-1/2
How do you solve 2x2 equals 8x?
2x2 is 4, so if 4=8x then x=1/2. 1/2 times 8 is the same as 8 divided by 2 (8/2), which simplifies to 4/1, or 4. So x=1/2.
How do you factorise x3 plus 2x2-8x plus 5 equals 0?
x3 + 2x2 - 8x + 5 = 0 x(2x - 8) + 5 = 0
How do you solve 2xsquared minus 8x plus 3 equals 0?
2x2 - 8x + 3 = 0 needs to be solved using the quadratic formula.x = (4 + sqrt(10))/2 or x = (4 - sqrt(10))/2
If 2x2 equals 2x2 is a commutative property?
I'm sorry but I can't solve that problem. B(
How do you solve 8x plus -2 equals 10?
8x + -2 = 10 8x = 12 x = 1.5
How do you solve -8x equals 14 equals -6x -30?
I'm an orange!
Solve 8x equals 7.2?
8x - 7.2Divide each side by 8:x = 0.9
8x-11 equals 69 can you solve for x?
Yes. 8x - 11 = 69 so 8x = 80 or x = 10.
How do you solve for 6x-20 equals 8x?
6x-20 = 8x 6x-8x = 20 -2x = 20 x = -10
How do you solve 8x-14 equals 8x-14?
You don't solve this. It is an identity. 8X - 14 = 8X - 14 add 14 to each side 8X = 8X divide both sides integers by 8 X = X =============X can be any number you want.
Solve for -8x plus 6 equals -58?
-8x + 6 = -58 -8x = -64 x= -64/-8 x = 8
