Simplify (7a-5Vb) (7Va +575)
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Answer:
49va^2 + 4025a -35 v^2ab -2875vb
Step-by-step explanation:
(7a - 5Vb) (7Va + 575)
=(7a) (7Va +575) - 5vb(7Va + 575)
=7a × 7Va + 7a × 575 - 5vb × 7Va - 5vb × 575
= 49va^2 + 4025a - 35 v^2ab - 2875vb
so, (7a-5Vb) (7Va +575)= 49va^2 + 4025a - 35 v^2ab
- 2875vb
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