Which expressions is equivalent to (c-2d) (3c-2d)?

The triangles are similar. what is the value of x? enter your answer in the box. x = two right triangles. the larger right triangle is labeled x on the longer leg, 12 on the shorter leg and 20 on the hypotenuse. the smaller triangle is labeled 4 on the longer leg, 3 on the shorter leg, and 5 on the hypotenuse.

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

Find the value of x for which line a is parallel to line b