Answer: 41
Step-by-step explanation:
12+14+15= 41
Answer:
40.8
18+2(4−1)
=18+(2)(3)
=18+6
=24
The coefficient of y² will be 1, which we can see when we expand the expression:
(x + y)²
= (x +y)(x + y)
= x² + xy + xy + y²
= x² + 2xy + y²