Answer:
[tex]4y^2+14y+34[/tex]
Step-by-step explanation:
[tex]3y^2+\left(y+7\right)^2-15[/tex]
[tex]3y^2+y^2+14y+49-15[/tex]
[tex]4y^2+14y+49-15[/tex]
[tex]4y^2+14y+34[/tex]
Answer:
Multiply each of the first term by the each of the second term
Remove the brackets and arrange the terms with same powers together
Degree is the highest power of the variable.
Degree = 4
Maximum possible number of terms for = 5