In the top right corner is -7x since we multiply the x and -7
In the bottom row, we'll have 5x for the first box and -35 for the second box. Each box is the result of multiplying the outer values.
In the top left corner, the x^2 is from multiplying the two copies of x.
Answer:
x=7
Step-by-step explanation:
Answer:
it either c or a
Step-by-step explanation:
i know it not a negative number