Question

2xy^2-x^2Evaluate where x=2 and y=5is that first step correct and what would be the order of operations from there

Answer 1

To evaluate this , replace the terms with the numbers as

2 xy^2 - x^2

`2xy^2-x^2`
`2\cdot2\cdot5^2-2^2`
`4\cdot5^2-4`
`4\cdot25\text{ - 4}`
`100-4=96`