Find the sum of —8x2 + 3 and -9x2 + 3x – 3.

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

1. are the triangles similar and if so why? what is the value of x? show your work.

10x − 5y + 14 = 0 whats the answer pls