4 Which of the following expressions is
equivalent to x2 + 2x – 15 ?
A (x + 2)(x – 7.5)
C (x – 3)(x + 5)
B (x + 3)(x - 5)
D none of these

(x-3)(x+5)

Step-by-step explanation:

(x-3)(x+5)

x^2 - 3x + 5x - 15

x^2 + 2x - 15

(x-3)(x+5)

Step-by-step explanation:

I put the expression onto a graphing calculator, then I put all of the answers onto the calculator and it was equal to the original expression. Hope this helps.

1

step-by-step explanation:

you are throwing one dart

ca = ec

cpctc makes it so that corresponding parts of the triangle you proved to be equal are equal, the other options aren't part of the part of the triangles you proved to be equal.