5a-1 * 7a-3 multiply
Answers
Answered by
3
Answer:
(5a-1) *( 7a-3) =35a²-7a-15a+3=35a²-22a+3
Answered by
2
Answer:
Step-by-step explanation:
[5a-1][7a-3]
35a^2 - 15a -7a + 3
35a^2 - 22a + 3
b^2-4ac
[-22]^2 - 4[35][3]
484 - 420
64
-b+-√b^2-4ac/2a
22 +- √64/2*35
22+140
160
22-√64/2*35
22-140
-118
therefore 160 is the value
hope it helps you
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