(2x+1)(x+1)
Now multiply 2x to both x and +1
2x^2+2x
Do the same with 1 multiply it to x and +1
2x^2+2x +x+1
Simplify
2x^2+3x+1
B, there's only two kinds of acute triangles ands that's a 45,45,90 and a 30,60,90.
Answer:
he got 20% wrong
he got a B
Step-by-step explanation:
7 and 20 are relatively prime (no common factor)