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The expression b^2 - 9a represents the difference between the square of b and nine times a. This expression cannot be simplified further without knowing the specific values of b and a. It is a quadratic expression in terms of a and b, where a is multiplied by 9 and subtracted from the square of b.
Well, darling, b2 - 9a is technically correct notation for the expression "b squared minus 9 times a." It's a simple algebraic expression that involves squaring a variable and subtracting the product of 9 and another variable. So, there you have it - the answer you never knew you needed.
Well, let's take a moment to appreciate this beautiful mathematical expression. To find b^2 - 9a, we simply square the value of b and then subtract 9 times the value of a. It's like painting a happy little equation where each term plays a special role in creating a harmonious result. Just remember to take your time, be gentle with your calculations, and enjoy the process of solving this lovely little equation.
The expression cannot be simplified and, without information about the variables, it cannot be evaluated, either.
9a verbal expression
-a^2- 9a - 18 = 0 -(a^2 + 9a + 18) = 0 -(a + 6)(a + 3) = 0
The expression 2a - 9a is a subtraction problem involving two terms with the variable 'a'. To solve this, you need to combine the coefficients of 'a'. In this case, 2a - 9a simplifies to -7a. This is because you are subtracting 9a from 2a, which results in -7a.
9a + 7b *remember to look and understand the letters!*
9a +8 -2a -3 -5a = 2a +5