Help me answer the four questions on the left pls!
...
Answers: 2
Mathematics, 21.06.2019 23:30
Simplify (8x2 − 1 + 2x3) − (7x3 − 3x2 + 1). −5x3 + 11x2 − 2 5x3 − 11x2 + 2 x3 + 2x2 + x3 x3 − 2x2 − x3
Answers: 1
Mathematics, 22.06.2019 04:00
If the square of a positive integer is added to 2 times the integer the result is 48. find the integer.
Answers: 1
Mathematics, 22.06.2019 04:40
Rena used the steps below to evaluate the expression , when . step 1: substitute into the expression. step 2: simplify the parentheses. step 3: evaluate the power to a power. step 4: use reciprocals and find the value. in which step did rena make the first error?
Answers: 2
History, 19.08.2020 01:01
Mathematics, 19.08.2020 01:01