Math, asked by hasda455, 4 months ago

find the value of a and b, if a=2 in 25a2 -40ab+16b2

Answers

Answered by lizagemhyd

0

ANSWER:

25a^2 - 40ab + 16b^2= 25×2×2 -40×2×b+16b^2

100-80b+16b^2

16b^2 - 40b -40b +100

8b(2b-5) -20(2b-5)

(8b-20)(2b-5)=0

b=20/8 or b=5/2 ANS

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