solve using identities (5x-8)(5x-11)
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Answer:
5x(5x-11)-8(5x-11)
25x^-55x-40x+88
25x^-95x+88
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Answer:
(5x-8)(5x-11).
By using formula (x-a)(x-b)=x²-(a-b)x-ab where x=5x, a=8 & b=11.
(5x-8)(5x-11)=(5x)²-(8-11)(5x)-(8)(11).
=25x²-(-3)(5x)-88. (Because +×-=- & largest number is important).
=25x²+15x-88. (Because -×-=+).
I think this is your answer.
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