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What shows 23^2-17^2 being evaluated using the difference of perfect squares method

What shows 23^2-17^2 being evaluated using the difference of perfect squares method
asked 212k views
3 votes
What shows 23^2-17^2 being evaluated using the difference of perfect squares method

asked
User Badpanda
by
7.4k points

2 Answers

7 votes
23^2 - 17^2
= (23-17)(23+17)
= 6 * 40
= 240
answered
User Oshri
by
8.8k points
4 votes
remember
a²-b²=(a-b)(a+b)

so
23²-17²=(23-17)(23+17)=(6)(40)=240
answered
User Jason Malinowski
by
9.5k points
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