3x - 4y)² solve it...
Answers
Answered by
43
Hey there!
(3x - 4y)² = (3x)² - 2(3x)(4y) + (4y)²
= 9x² - 24xy + 16y²
Hope it helps you!
(3x - 4y)² = (3x)² - 2(3x)(4y) + (4y)²
= 9x² - 24xy + 16y²
Hope it helps you!
Answered by
12
By useing the identity
(a-b)^2= a^2-2ab+b^2
(3x-4y)^2=(3x)^2 -2×(3x)×4y+(4y)^2
=9x^2-24xy+16y^2
(a-b)^2= a^2-2ab+b^2
(3x-4y)^2=(3x)^2 -2×(3x)×4y+(4y)^2
=9x^2-24xy+16y^2
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