6x²+x-15
Step-by-step explanation:
2x*3x+2x*5-(3*3x+3*5)
6x²+10x-(9x+15)
6x²+10x-9x-15
b
step-by-step explanation:
given
- 2 (3x + 12y - 5 - 17x - 16y + 4 )
simplify the parenthesis by collecting like terms
= - 2 (- 14x - 4y - 1) ← distribute the parenthesis by - 2
= 28x + 8y + 2 → b