Question

If x = 3 and y = 5, work out the value of b) 2x2 + 3y2

Answer 1

Answer:

$93$

Step-by-step explanation:

Given:

If $x=3$ & $y=5$, find $2x^2+3y^2$

Solution:

Replace 3 with x and 4 with y:

$2(3)^2+3(5)^2$

$=2(9)+3(25)$

$=18+75$

$=93$

Answer 2

Answer:

42

Step-by-step explanation:

2*3*2+3*5*2=12+30=42