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diamong [38]
3 years ago
9

Which will result in a difference of squares? (–7x + 4)(–7x + 4) (–7x + 4)(4 – 7x) (–7x + 4)(–7x – 4) (–7x + 4)(7x – 4)

Mathematics
2 answers:
stealth61 [152]3 years ago
6 0

Answer:

(–7x + 4)(–7x – 4) Sign changes in the middle of both parenthesis , so this will result in difference of squares

Step-by-step explanation:

The formula for difference of squares

a^2 - b^2 =(a+b)(a-b)

(–7x + 4)(–7x + 4) both parenthesis having same terms so this will not result in difference of squares

(–7x + 4)(4 – 7x) both parenthesis having same terms so this will not result in difference of squares

(–7x + 4)(–7x – 4) Sign changes in the middle of both parenthesis , so this will result in difference of squares

(–7x + 4)(7x – 4) sign changes for both terms in both parenthesis so this will not result in difference of squares

denpristay [2]3 years ago
4 0
<span>a difference of squares
</span>a^2<span> – b^</span>2<span> = (a + b)(a – b)
</span>in this case

<span>(–7x + 4)(–7x – 4)

answer
</span><span>(–7x + 4)(–7x – 4)</span>
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