(5x^2 + 4y)^2

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(5x^2 + 4y)^2

Guest Jun 30, 2015

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Best Answer

$$(5x^2+4y)^2 =$$

$$(5x^2+4y)\times{(5x^2+4y)} =$$

Using FOIL:

$$(5x^2\times{5x^2}) + 2(5x^2\times{4y}) + (4y\times{4y}) =$$

$$25x^4 + 40x^2y + 16y^2$$

zacismyname Jul 1, 2015

zacismyname · Answer 1 · 2015-07-01T04:14:40

$$(5x^2+4y)^2 =$$

$$(5x^2+4y)\times{(5x^2+4y)} =$$

Using FOIL:

$$(5x^2\times{5x^2}) + 2(5x^2\times{4y}) + (4y\times{4y}) =$$

$$25x^4 + 40x^2y + 16y^2$$

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