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Maths Challenge: Solve This Using Only The Difference Of Two Squares Method - Education - Nairaland

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Maths Challenge: Solve This Using Only The Difference Of Two Squares Method by princely4ever: 4:10pm On Feb 09, 2023
Solve this.

17² – 4²

Solve and show your answer using the difference of two squares formula
Re: Maths Challenge: Solve This Using Only The Difference Of Two Squares Method by Rexxie234(m): 4:30pm On Feb 09, 2023
princely4ever:
Solve this.

17² – 4²

Solve and show your answer using the difference of two squares formula
17 times 17 - 4 times 4 = 189. Me dont know chaundecided
Re: Maths Challenge: Solve This Using Only The Difference Of Two Squares Method by princely4ever: 5:50pm On Feb 09, 2023
Rexxie234:
17 times 17 - 4 times 4 = 189. Me dont know chaundecided

The actual process is supposed to be:

a²–b² = (a-b) (a+b) [the difference of two squares]

then, (17-4) · (17 +4)

= (13) · (21) or 13 x 21

= 273


How did you get your answer? It's wrong.
Re: Maths Challenge: Solve This Using Only The Difference Of Two Squares Method by NDSMELODY(m): 6:23pm On Feb 09, 2023
princely4ever:
Solve this.

17² – 4²

Solve and show your answer using the difference of two squares formula
check this

Re: Maths Challenge: Solve This Using Only The Difference Of Two Squares Method by princely4ever: 6:38pm On Feb 09, 2023
NDSMELODY:
check this

Very correct ✅


My own workings:

a²–b² = (a-b) (a+b) [the difference of two squares]

then, (17-4) · (17 +4)

= (13) · (21) or 13 x 21

= 273
Re: Maths Challenge: Solve This Using Only The Difference Of Two Squares Method by NDSMELODY(m): 9:04pm On Feb 09, 2023
princely4ever:


Very correct ✅


My own workings:

a²–b² = (a-b) (a+b) [the difference of two squares]

then, (17-4) · (17 +4)

= (13) · (21) or 13 x 21

= 273

all thesame

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