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This expression seems easy, but only 1% can get this right!
After watching this video, you would be able to simplify and evaluate mathematical expressions by applying the factorization of a difference of two squares.
Factorizing a difference of two squares uses this identity:
a^2 - b^2 = (a - b)(a + b)
Examples:
1.
x^2 - 9 = (x - 3)(x + 3)
2.
4y^2 - 25 = (2y - 5)(2y + 5)
3.
49 - a^2 = (7 - a)(7 + a)
Key Tip:
Only works when both terms are perfect squares and you're subtracting.
Would you like practice problems on this?
#factorization #difference of two squares
Видео This expression seems easy, but only 1% can get this right! канала UNDERSTANDING MATHEMATICS
Factorizing a difference of two squares uses this identity:
a^2 - b^2 = (a - b)(a + b)
Examples:
1.
x^2 - 9 = (x - 3)(x + 3)
2.
4y^2 - 25 = (2y - 5)(2y + 5)
3.
49 - a^2 = (7 - a)(7 + a)
Key Tip:
Only works when both terms are perfect squares and you're subtracting.
Would you like practice problems on this?
#factorization #difference of two squares
Видео This expression seems easy, but only 1% can get this right! канала UNDERSTANDING MATHEMATICS
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25 апреля 2025 г. 22:00:06
00:03:50
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