If ( x – 5 ) (x + 3) = (x - 7 ) (x + 4 ) then x = ? Please tell fast
Answers
Answered by
0
Answer:
Step-by-step explanation:
(x-5)(x+3)=(x-7)(x+)
x²-2x-15 = x²-6x-7 [ by using this formula => (x+a)(x+b) = x² + (a+b)x +(a*b)
-2x+6x=15-7
4x=8
x=2
Answered by
0
Step-by-step explanation:
x^2-5x+3x-15=x^2-7x+4x-28
-5x+7x+3x+4x= -28+15
9x= -13
x= -13/9
hope this helps!
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