math
posted by Fin .
(10x  1)^2
Does it = 100x + 1

Memorizing the following identities will help you with similar problems:
(a+b)^2=a^2+2ab+b^2
(ab)^2=a^22ab+b^2
Now put a=10x, b=1 and apply to (ab)^2
(10x  1)^2
=(10x)^2 2(10x*))+(1)^2
=100x²20x+1
Respond to this Question
Similar Questions

Algebra
In algebra special products and the questions says to factor the equation 200x^218 and I don't get how to. factor out a two, then what remains will be the difference between two perfect squares. I got as far as this 2(100x3)^2 and … 
Math
Find the equation of the tangent line 5x^2+y^2=14 at (1,3). P.S: It's calculus. So far I know this much 10x+2y(dy/dx)=o 10x 10x ___________________ 2y(dy/dx)= 10x (dy/dx)= 10x/2y= 5x/y m= 5(1)/3= 5/3 y=mx+b 3= 5/3(1)+b then … 
algebra
multiply and simplify 10x^3 over 3r^3 multiplied by 9r^4 over 100x Is the correct answer 3x^4r^6 over 10? 
I need someone to check this
Add and Simplify: 100x/x+10 + x^3/x+10 I have the answer as X^3+100x/X+10 is this correct? 
Math
Rationalize the denominator. Assume that all expressions under radicals represent positive numbers. The square root of 3y^4 to the third root divided by the square root of 15x^4 to the third root. Here is what I have so far: I multiplied. … 
math
Suppose the cost of producing x items is given by C(x)=1000x^3, and the revenue made on the sale of xitems is R(x)=100x10x^2. Find the number of items which serves as a breakeven point. 
6th grade math
Hi.. i'm a little confused on using proprtion equations to solve percent problem. can you check the following? 
math
When the population of a town rose from a million to a + x million, the per cent increase was a. x/a % b. 100a/x % c. 100x/xa % d. x/ax % e. 100x/a % please answer and explain 
algebra
the revenue of this product is given by R=px=(100xx^2)x. how many units must be sold to give zero revenue? 
Exponets help quick
What is the simplified form of this expression?