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Popular >

expand (x+3)(x+!)

Solution

expand

(x + 3) (x +!)

Solution

! x^{2} + 3! x

Solution steps

(x + 3) (x +!)

= (x + 3) (+! x)

Apply the distributive law:

a (b + c) = ab + a c

a = (x +!), b = x, c = 3

= (x +!) x + (x +!) \cdot 3

= x (+! x) + 3 (+! x)

Simplify

x (+! x) + 3 (+! x) :! x^{2} + 3! x

=! x^{2} + 3! x

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Frequently Asked Questions (FAQ)

What is expand (x+3)(x+!) ?
The solution to expand (x+3)(x+!) is !x^2+3!x