2x² + x - 3
2x² - 2x + 3x - 3
2x(x) - 2x(1) + 3(x) - 3(1)
2x(x - 1) + 3(x - 1)
(2x + 3)(x - 1)
Multiply first equation by -5 and 2nd by 2, add them
15x+20y=-100
<u>2x-20y=32 +</u>
17x+0y=-68
17x=-68
divide both sides by 17
x=-4
the x value is -4
Answer: Risa need 72 inch of ribbon.
To answer this question you just need to find how long the blanket perimeter. The blanket is a square with 72 inch length. To count the perimeter of a square you need to multiply the length with 4. Then the square would be : 4x 72 inch= 288 inch.
Answer:V=whl
Step-by-step explanation:
Answer:
use a calculator and enter those numbers then press SIN
Step-by-step explanation: