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Popular >

expand (x-a)(x+a)

Solution

expand

(x - a) (x + a)

Solution

x^{2} - a^{2}

Solution steps

(x - a) (x + a)

Apply Difference of Two Squares Formula:

(a - b) (a + b) = a^{2} - b^{2}

(x - a) (x + a) = x^{2} - a^{2}

= x^{2} - a^{2}

Popular Examples

simplify (15-2/x)/(x/5+4)simplify

\frac{15 - \frac{2}{x}}{\frac{x}{5} + 4}

simplify 2\times 4/3 simplify

2 \times \frac{4}{3}

expand (5x^3-4x^2+x)(-3x^2+6x-7)expand

(5 x^{3} - 4 x^{2} + x) (- 3 x^{2} + 6 x - 7)

simplify 6/24+8/24 simplify

\frac{6}{24} + \frac{8}{24}

simplify 2/(sqrt(18))simplify

\frac{2}{18}

Frequently Asked Questions (FAQ)

What is expand (x-a)(x+a) ?
The solution to expand (x-a)(x+a) is x^2-a^2