Question

Which will result in a difference of squares?
(-7x + 4)(-7x + 4)
(-7x + 4)(4 - 7x)
(-7x+4)(-7x - 4)
(-7x+4)(7x - 4)
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Answer 1

Answer:

Step-by-step explanation:

that would be : (-7x + 4)(-7x - 4)

because the difference of  squares is a^2 - b^2.....but when factored, u get :

(a + b)(a - b)

Answer 2

The equation that  will result in a difference of squares is $(-7x+4)(-7x - 4) = (-7x)^2 - 4^2$

Difference of two square

This is the product of the sum and difference of variables. If x ad y are the variables, hence;

$x^2 - y^2 = (x+y)(x-y)$

We need the equation that will follow the given formula above. From the options, the correct equation will be:

$(-7x+4)(-7x - 4)\\(-7x+4)(-7x - 4) = (-7x)^2 - 4^2$

Hence the equation that  will result in a difference of squares is $(-7x+4)(-7x - 4) = (-7x)^2 - 4^2$

Learn more on difference of two square here:https://brainly.com/question/3189867

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