Simplify. 1+4(2−3)2

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The simplified answer for the given equation 1 + 4(2 - 3)2 is -7.  

Solution:  

Given expression is 1 + 4(2 - 3)2

In order to solve the above expression, we should have to follow the rule called "BODMAS". The BODMAS stands for “Brackets, order, division, multiplication, addition, subtraction”, which means  that when a expression is given involving arithmetic operations we should have to follow the hierarchy of that order. i.e., we should solve brackets first and then order, division, multiplication, addition and then subtraction.

In the given question, as per BODMAS rule, we should solve the brackets expressions first i.e., (2-3) = -1. Hence we get,

= 1 + 4(2-3)2  

= 1+ 4(-1)2  

Now we have to proceed with multiplication of -1 with 2. Hence the above equation becomes,

= 1 + 4(-2)

Now solve the brackets i.e. multiplication of -2 with 4. Hence the above equation becomes,

= 1 – 8

Now proceed with subtraction of 1 with -8. We get  

= -7

Hence, with the help of BODMAS we have calculated the value as -7.

answer: 2 and 1

step-by-step explanation: got this question

he used the algebra tiles correctly.

step-by-step explanation:

given : 3x(2x-1)

solution :

since he used algebra tiles .

armando's solution is the same in the solution shown in figure

as he distributed 2x into x and x and wrote them vertically

and also write   -1 vertically

and 3x into x and x and x and wrote it horizontally

performing the multiplication in the algebra tiles we get

and solving the given expression :

3x(2x-1)

since solving the expression using tiles   and solving the expression algebraically we get the same answer

thus   we can choose the first statement as the answer to this problem which is "he used the algebra tiles correctly".