Question

Hello people ~factorise : 5x²+16x+3​

Answer 1

Answer:

Step-by-step explanation:

Remark

If the trinomial is going to factor, it must factor as 5 and 1 paired with 3 and 1 as both 5 and 3 do not factor any further. They are prime numbers.

Let's try this:

(5x  +   1) ( 1x + 3)

Both factors must contain an + otherwise something in the given equation would be - when the factors are expanded.

It looks like this works. 5 * 3x + 1x = 16x

Answer 2

• 5x²+16x+3
• 5x²+15x+x+3
• 5x(x+3)+1(x+3)
• (5x+1)(x+3)

Done!