Question

$2x + 39 - 21 {}^{2}$factor everything

Answer 1

Hello there. To solve this question, we'll calculate the square, add the values and factor out the terms

Given

2x + 39 - 21²

We calculate the square

21² = 441

2x + 39 - 441

Add the values

2x - 402

Factor the equation by a factor of 2

2(x - 201)