What is (2x+5)(5x+5)equal to and how
bhanumanjusri:
Just use the formula (x+a)*(x+b)=x^2 +x(a+b)+ab.
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hi there!
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On multiplication You'll get:
10x² + 10x + 25x + 25 = 0
10 x² + 35x + 25 = 0
2x² + 7x + 5 = 0
2x² + 2x + 5x + 5 = 0 [Splitting]
2x(x + 1) + 5(x + 1) = 0
Hence, x = -1 OR x = -5/2
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I HOPE THIS HELPS!
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On multiplication You'll get:
10x² + 10x + 25x + 25 = 0
10 x² + 35x + 25 = 0
2x² + 7x + 5 = 0
2x² + 2x + 5x + 5 = 0 [Splitting]
2x(x + 1) + 5(x + 1) = 0
Hence, x = -1 OR x = -5/2
_____________________
I HOPE THIS HELPS!
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