Question

Find the value of 6ab2+4b2+a3
When a=-2, b=4

Answer 1

$a = 2 \: b = 4 \\ 6ab2 + 4b2 + a3 \\ 6(2)(4)2 + 4(4)2 + (2)3 \\ = 56 + 32 + 6 \\ = 94$

Answer 2

Answer:

96+32+6=134

6×2×4×2+4×4×2+2×3=134