Question

Find the numerical value if x=4 and y=5

Answer 1

109

Explanation:

First, you substitute x with 4 and y with 5

so your equation should be 2(4)squared +9(5)

PEMDAS

Parrentisies first so 2x4=8 and 9x5=45

then exponents so 8squared = 64

Addition next so 64 + 45 =?

? = 109

Answer 2

77

Explanation:

2(4)^2+9(5)

2(16)+45

32+45

=77