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Q: What is the constant in this expression 3 x squared minus 2 x y minus 4?

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It is a quadratic expression

The question contains an expression, not an equation or inequality. There is nothing to solve in an expression.

x^2 - y^2 - 4 is in its simplest form.

The question contains an expression but not an equation. You cannot solve an expression.

2m^2 - 8 -First you should factor out a two. --> 2(m^2-4) -You now have something squared minus something else squared; You have m squared minus 2 squared. Whenever you have something squared minus something squared as you do in this case, there is a simple rule to remember: You can reduce that expression into the quantity of the square root of the first number or variable plus the square root of the second number or variable Times the quantity of the square root of the first number or variable minus the second number or variable squared. --> In the case of your expression: ----> 2(m+2)(m-2)<-----

(x - 5)(x - 2)(x - 2)

(x - 2)(2x - 3)

It is a quadratic expression which can be factored to (7b+9)(8b-7) after dividing all terms by 2

No, it is not. To be correct, the expression requires parenthesis, which are missing.

Expression: x^2 -x -12 Completing the square: (x -0.5)^2 -12.25

negative 2 squared

Write an algebraic expression for the verbal expression. q squared minus 2 times q

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