Question

Find the value of an algebraic expression 5x^2y - 2xy +6 for x= -1 and y=2

Answer 1

The correct answer is "20".

Step-by-step explanation:

$The \ given \ values \ are:\\\\x=-1 \ and \ y=2\\\\The \ equation \ is :\\\\5x^2y-2xy+6\\\\On \ putting \ the \ given \ values \ in \ the \ above \ equation,we \ get\\\\=5(-1)^2(2)-2(-1)(2)+6\\\\=5(2)-2(-2)+6\\\\=10+4+6\\\\=20$

Learn more:

https://brainly.in/question/5722469

https://brainly.in/question/5300101

Answer 2

Answer:

$5( { - 1}^{2})(2) - 2( - 1)(2) + 6 \: \\ 5( - 1)( - 1)(2) - 2( -1)(2) + 6 \\ 5(2) + 2(2) + 6 \\ 10 + 4 + 6 \\ 20$

Step-by-step explanation:

Answer is 20