simplify using suitable identity (1.5x+3) (1.5x-3)
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Answered by
11
(1.5x+3)(1.5x-3) = (1.5x)^2 - (3)^2 = 2.25x^2 - 9
Answered by
8
Hola!
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This question is based on Polynomials 9th grade.
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Given that,
(1.5x + 3)(1.5x - 3)
Here we use the formula (a+b)(a-b) = a² - b²
= (1.5x + 3)(1.5x - 3)
= (1.5x)² - (3)² {(a+b)(a-b) = a² - b²}
= 2.25x² - 9
#BeHappy
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