granniejo
07.12.2019 •
Mathematics
The shorter leg of a right triangle is 7cm shorter than the longer leg. the hypotenuse is 7cm longer then the linger leg. what is the length of the sides of the triangle
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Ответ:
(x+9)(3x+27)
Step-by-step explanation:
3x^2+54x+243 (243×3=729, Product=729, Sum=54) [27+27=54, 27×27=729]
3x^2+27x+27x+243
3x(x+9)+27(x+9)
=(x+9)(3x+27)