Question

Factor equation. answer is -47, just puzzled on how to get it. step by step

Answer 1

Answer:

-47

Step-by-step explanation:

Original Equation:

$f(-5)=3-2(-5)^2$

Square the -5 (this cancels out the negative sign

$f(-5)=3-2(25)$

Multiply 2 and 25

$f(-5) = 3-50$

Subtract 50 from 3

$f(-3) = -47$

I'm a bit confused by what you mean factor the equation? Given the context. But I'm going to assume the equation is: $f(x)=3-2x^2$. Which isn't exactly factorable.

Answer 2

Answer:

-47

Step-by-step explanation:

First you use PEMDAS, so you start with the exponent.

-5^2 = 25

Then you multiply the -2!!! Not the 2 with the 25, multiplying the 2 is a common mistake.

When you multiply the -2, it results in:

3 - 50

= -47