factorise 25a² +b² - 100ab - 49c²
Answers
Answered by
0
Answer:
\bf\huge\textbf{\underline{\underline{According\:to\:the\:Question}}}
AccordingtotheQuestion
\bf\huge\bf\huge{\boxed{\bigstar{{5a^2 - 4b^2 + 28bc - 49c^2}}}}
★5a
2
−4b
2
+28bc−49c
2
\bf\huge\bf\huge{\boxed{\bigstar{{(5a)^2 - (4b^2 - 28bc + 49c^2)}}}}
★(5a)
2
−(4b
2
−28bc+49c
2
)
\bf\huge\bf\huge{\boxed{\bigstar{{(5a)^2 - (2b)^2 - 2(2b)(7c) + (7c)^2}}}}
★(5a)
2
−(2b)
2
−2(2b)(7c)+(7c)
2
\bf\huge\bf\huge{\boxed{\bigstar{{(5a)^2 - (2b - 7c)^2}}}}
★(5a)
2
−(2b−7c)
2
\bf\huge\bf\huge{\boxed{\bigstar{{(5a - 2b + 7c)(5a + 2b - 7c)}}}}
★(5a−2b+7c)(5a+2b−7c)
Similar questions