x = -8
Step-by-step explanation:
Step 1: Subtract 1 from both sides

Divide both sides of the equation by -10

-2.5 because a positives opposite is a negative.
Answer:
should be 40, because the top line is 40 and the line on the side is the same length
Step-by-step explanation:
Step-by-step explanation:
x² + 3x + 2
x² + x + 2x + 2 because 1+2=3 and 2×1=2
By taking out common terms, we get
x(x+1)+2(x+1)
(x+1)(x+2)