Factorise the equation - 25(a+b)² - 16(a-b)²
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Step-by-step explanation:
25(a+b)² - 16(a-b)²=25(a²+b²+2ab)-16(a²+b²-2ab)
=25a²+25b²+50ab-16a²-16b²+32ab
=9a²+9b²+82ab
Answered by
0
Step-by-step explanation:
25a^2 +25b^2 +50ab -16a^2 -16b^2 + 32ab
9a^2 +9b^2 + 82ab
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