Question

Find an equivalent expression for -3(2x+5)-(x-1)

Answer 1

-7(x+2)

Explanation:

• -6x-15-x+1
• -7x-14
• -7(x+2)

Answer 2

-3(2x+5)-(x-1)

↦ -6x+(-15)-x+1

↦-6x-x-15+1

↦7x-14

↦2(x-7)