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Popular >

expand (a+4)(a-5)

Solution

expand

(a + 4) (a - 5)

Solution

a^{2} - a - 20

Solution steps

(a + 4) (a - 5)

Apply FOIL method

(a + 4) (a - 5) : a^{2} - a - 20

= a^{2} - a - 20

Popular Examples

simplify (x^3)(-9x)simplify

(x^{3}) (- 9 x)

simplify sqrt(81)+sqrt(-6)-sqrt(64)+sqrt(-150)simplify

81 + - 6 - 64 + - 150

simplify (a^2*a^2*a^2)^3 simplify

(a^{2} \cdot a^{2} \cdot a^{2})^{3}

simplify-1/5 simplify

- \frac{1}{5}

simplify log_{3}(0.5)+log_{3}(54)simplify

lo g_{3} (0.5) + lo g_{3} (54)

Frequently Asked Questions (FAQ)

What is expand (a+4)(a-5) ?
The solution to expand (a+4)(a-5) is a^2-a-20