Question

$(8x - 5) {}^{2} + 80x$
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Answer 1

64x^2 + 25

Step-by-step explanation:

(8x-5)^2+80x

(8x)^2 -2.8x.5 + (5)^2 + 80x

64x^2 -80x + 25 +80x

64x^2 + 25

Answer 2

Answer:

(8x-5)²+80x

= (8x-5)(8x-5) +80x

= 64x²-40x-40x+25+80x

= 64x²-80x+25+80x

= 64x²+25