Evaluate the expression 3(2-1)+2+ -- 7 for x= 3
step 1: what is the first step for evaluating this expression?

-2

Step-by-step explanation:

3(2-1)+2+--7

3(1)+2+--7

3+2+--7

5+--7

-2

false

step-by-step explanation:

4y - 6 + 4y^2 - 9

before simplifying this contains 4 terms

after simplifying

4y -15 + 4y^2

it contains 3 terms

the answer is a

step-by-step explanation:

because if you put 1 in to the square root of x it equals 300.