Question

expand, answer should be a polynomial in standard form

(5a+2)(a+4)=

Answer 1

Answer:

The standard form of the expression (5a+2)(a+4) is $5a^{2}  + 22 a + 8$.

Step-by-step explanation:

Here, the given expression is (5a+2)(a+4).

Now, (5a+2)(a+4) = 5a(a+4) + 2(a+4)

= $5a^{2}  + 20 a + 2a + 8$

=  $5a^{2}  + 22 a + 8$

or,  $(5a+2)(a+4) = 5a^{2}  + 22 a + 8$

Also,  Standard Quadratic form is $ax^{2}  +  bx + c = 0$

Hence, the standard form of (5a+2)(a+4) is $5a^{2}  + 22 a + 8$.

Answer 2

Answer:

5a²+22a+8

Step-by-step explanation:

(5a+2)(a+4)

5a² + 20a + 2a + 8

5a² + 22a + 8