plz solve questions no 11
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I hope it is correct
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Given,
(2x -3)² -8x +12
Expanding First term using identity:-
(a - b)² = a² + b² - 2ab
We get,
→(2x)² +3² -2*(2x)(3) -8x +12
→4x² + 9 -12x - 8x + 12
→4x² - 20x + 21
→4x² - 14x - 6x +21
→2x(2x -7) - 3(2x - 7)
→(2x- 3) ( 2x-7)
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