Solved

Find the Product
- $(5 a+9 c)(5 a-9 c)$ A) $25 a^{2}-90 a c-81 c^{2}$

Question 212

Multiple Choice

Find the product
- $(5 a+9 c) (5 a-9 c)$

A) $25 a^{2}-90 a c-81 c^{2}$
B) $25 a^{2}-81 c^{2}$
C) $25 a^{2}+90 a c-81 c^{2}$
D) $5 a^{2}-9 c^{2}$

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