Solve x² + x – 12 ＝ 0

x ＝ 3, x ＝ 4

x ＝ 3, x ＝ -4

x ＝ -3, x ＝ 4

x ＝ -3, x ＝ -4

What is the first step in solving 10x³ + 60x² ＝ 70x?

Divide each side by 10x

Subtract 70x from each side.

Find the product of 10 and 70.

any of these

How many solutions are there to the equation (x – 3)(x² – 16) ＝ 0?

1

2

3

4

Which of these is not a solution to 3x²(x – 8)(x² – 25) ＝ 0?

x ＝ 0

x ＝ 3

x ＝ 5

x ＝ -5