Question

please tell answer fast x2 - 3x +4,4x2-2x+ 7 and -x2 + 5x - 2​

Answer 1

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Step-by-step explanation:

You have to isolate x to one side of the equation.

4x - 2 = 3x + 4

Start by moving all the constants to one side. In this case, we’ll add 2 to both sides:

4x - 2 + 2 = 3x + 4 + 2

simplifies to

4x = 3x + 6

Now we want to move all the variables (x) to the other side. So we subtract 3x from both sides:

4x - 3x = 3x + 6 - 3x

simplifies to

x = 6

Let’s test that to make sure it’s right:

4x - 2 = 3x + 4

substitute 6 for x:

4 * 6 - 2 = 3 * 6 + 4

24 - 2 = 18 + 4

22 = 22

Twenty two is in fact equal to twenty two, so the answer checks out.

x = 6