factorise 16(x+y)^2-25(x-3y)^2
Answers
Answered by
15
Here is your answer
Final result :
(-9x - 11y) • (x + 19y)
Step by step solution :
Step 1 :
Equation at the end of step 1 :
(16 • ((x - y)2)) - 25 • (x + 3y)2
Step 2 :
Equation at the end of step 2 :
16 • (x - y)2 - 25 • (x + 3y)2
Answered by
36
Step-by-step explanation:
16(x+y)2-25(x-3y)2
(19y - x) • (9x - 11y)
(16 • ((x + y)2)) - 25 • (x - 3y)2
16 • (x + y)2 - 25 • (x - 3y)2
-9x2 + 182xy - 209y2 = -1 • (9x2 - 182xy + 209y2)
(19y - x) • (9x - 11y)
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