Question

given that x =2 and y=3 calculate the value of. (a) (x+y)²-(x-y)². (b) 5xy+3y²-8x​

Answer 1

Step-by-step explanation:

here is the solution for your question

Answer 2

ANSWER:

A. (x+y)² - (x-y)²

(2+3)² -(2-3)²

(5)² - (-1)²

25 - 1

= 24

B. 5xy+3y²-8x

5(2)(3)+3(3)²-8(2)

5(6)+3(9)-16

30+27-16

57-16

=41