What is expand (4x^2+7y)(4x^2-7y) ?

The solution to expand (4x^2+7y)(4x^2-7y) is 16x^4-49y^2

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expand (4x^2+7y)(4x^2-7y)

expand

(4 x^{2} + 7 y) (4 x^{2} - 7 y)

16 x^{4} - 49 y^{2}

Solution steps

(4 x^{2} + 7 y) (4 x^{2} - 7 y)

Apply Difference of Two Squares

(4 x^{2} + 7 y) (4 x^{2} - 7 y) : 16 x^{4} - 49 y^{2}

= 16 x^{4} - 49 y^{2}

(x + 1) (x - 1) (x^{2} - 2)

[(- 5 + 1) + 2]^{3} - ∣ - 7 ∣

(a + 2)^{2} - 100

(2^{x} - 1) (2^{x} + 3)

(x^{2} - 1)^{2} - x^{2}

What is expand (4x^2+7y)(4x^2-7y) ?
The solution to expand (4x^2+7y)(4x^2-7y) is 16x^4-49y^2