Practice problem
A triangle has a base of 2x+32x+32x+3 and a height of x−5x-5x−5. What's the area of the triangle?
2x2−7x−152x^2-7x-152x2−7x−15
x2−72x−152x^2-\frac72x-\frac{15}2x2−27x−215
2x2−152x^2-152x2−15
x2−152x^2-\frac{15}2x2−215
Type a concept, like “slope” or “photosynthesis”.