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What is the simplest form for 5b plus 5-3b-7?
5b plus 5-3b-7 is 2b-2.
Are these expressions 15x-9-4x plus 2 and 11x-7 equivalent?
yes
2(a plus b) plus 3(a plus b) plus 5a?
10a + 5b
What are two expressions that are equivalent to 8 plus 2x?
(16 + 4x)/2 2(4 + x)
What 5 expressions are equivalent to 8x plus 16?
2(4x+8) 4(2x+4) 8(x+2)
How do you write simplified expressions for the area and the perimeter of a rectangle one side 3a other side 5b?
Area: 15ab Perimeter: 2(3a+5b) or as 6a+10b
2 b plus c plus 3 b plus c plus 5b?
It is 10b + 2c
How do you factor 30b2 plus 48b-24?
6(b + 2)(5b - 2)
What are expressions like 4(3 2) and 4(3) 4(2)?
Equivalent expressions
What is the order pair for 4a - 5b equals 7 and 4a plus 5b equals 17?
(1) 4a-5b=7 (2) 4a+5b=17 (1)-(2) gives 4a-5b-(4a+5b)=7-17 then -10b=-10 so b=1 from (2) one gets 4a=17-5b=17-5x1=12 so a=3 (3,1) is the solution
What is a mathematical sentence that shows how 2 expressions are equivalent?
the answer is a(n) equationequationWhen two expressions are equivalent they can form an equation.
Which expressions are equivalent to 4b?
4b-b
What is 2x with the exponent 2 plus 3x plus 1. what is 7n with the exponent 2 plus 9n plus 2. what is 3x with the exponent 2 plus 8x plus 5. what is 7y with the exponent 2 plus 19y plus 10?
The first and third are quadratic expressions in x, the second is a quadratic expressions in n, and the fourth is a quadratic expressions in y. None of them are equations so cannot be solved.
If 8b plus 11-3b equals 2b plus 2 what is b?
8b + 11 - 3b = 2b + 2 5b + 11 = 2b + 2 5b - 2b = 2 - 11 3b = -9 b = -3
What are equivalent expressions?
Two or more expressions (equations are examples) that are equal to or equivalent to each other; for example: (X+2)(X+4) = X^2+6X+8.
How do you factor -5b2 plus 7b-2?
It is: (-5b+2)(b-1) with the help of the quadratic equation formula
Expressions like 4(3 plus 2) and 4(3) plus 4(2)?
Such expressions illustrate the distributive property of multiplication over addition in the field of real numbers.
Which expressions are equivalent to 4d plus 6 plus 2d?
They are: 6d+6 or 6(d+1)
What expressions is equivalent to 6m - 10?
2(3m-5)
Does 7b minus 2 equal 5b?
No. 7b - 2b = 5b
Are there any values of the variable A for which the expressions 2 plus A and 2A have the same value?
2. 2 plus 2 equals 4 and 2(2)= 4
Two linear expressions with a sum of -5x plus 4?
Two linear expressions with a sum of -5x plus 4 are ( -5x + 4 ) and ( 4 - 5x).
What are the factors of 100b2 - 144a4?
4(5b - 6a^2)(5b + 6a^2)
Clara wrote 2 expressions 1 n equals 1 plus n 2 n equals 2 plus N?
2 plus n is the true one, but 1 plus n is not?
What are the solutions to -x squared plus 2x plus 4 and x-2?
These are two expressions, not equations. Expressions do not have solutions, only equations do. NB equations include the equals sign.
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