Answer:
30x
Step-by-step explanation:
missing must be 2×3x×5=30x
9x²+30x+25=(3x+5)²
Step-by-step explanation:
green: 6/4
red: 7/4
this is all i know
Answer:
An expression equivalent to 5 (x + 10) is <em>5x + 50.</em>
4(m + 2) expanded is 4 x m and 4 x 2
simplified: 4m + 8