what is the total,if you add (2²r+6r+7) and (3r²+5r+8)​

Sagot :

Answer:

30r^3 + 71r^2 +115r +56

Step-by-step explanation:

(2^2r + 6r+7)(3r^2 + 5r+8)

=40r+7(3r^2 + 5r +8)

=30r^2 + 71^2 +115 +56

pa heart

ADDING POLYNOMIALS

Equation: [tex](2r^{2}+6r+7)+(3r^{2}+5r+8)[/tex]

Solution:

[tex](2r^{2}+6r+7)+(3r^{2}+5r+8)[/tex]

[tex]2r^{2}+6r+7+3r^{2}++5r+8[/tex]

[tex]5r^{2}+6r+7+5r+8[/tex]

[tex]5r^{2}+11r+7+8[/tex]

[tex]5r^{2}+11r+15[/tex]

Answer:

[tex]{\blue{\huge{\boxed{5r^{2}+11r+15}}}}[/tex]

[tex]{\purple{\boxed{Soeyon:))}}}[/tex]