BenoguigoliB

2021-05-09

Choose the complete factorization of $4{x}^{2}-8x-60$ .

a)2(x + 3) (x - 5)

b)$4({x}^{2}-2x-15)$

c)(2x + 6) (2x - 10)

d)4(x + 3) (x - 5)

a)2(x + 3) (x - 5)

b)

c)(2x + 6) (2x - 10)

d)4(x + 3) (x - 5)

liingliing8

Skilled2021-05-10Added 95 answers

Step 1Factorization

Choose the complete factorization of$4{x}^{2}-8x-60$ .

a)2(x + 3) (x - 5)

b)$4({x}^{2}-2x-15)$

c)(2x + 6) (2x - 10)

d)4(x + 3) (x - 5)

Step 2 Solution

$4{x}^{2}-8x-60$

$=4({x}^{2}-2x-15)$

$=4({x}^{2}-5x+3x-15)$

=4(x(x-5)+3(x-5))

=4(x-5)(x+3)

Step 3 Answer

Option d is correct option.

Choose the complete factorization of

a)2(x + 3) (x - 5)

b)

c)(2x + 6) (2x - 10)

d)4(x + 3) (x - 5)

Step 2 Solution

=4(x(x-5)+3(x-5))

=4(x-5)(x+3)

Step 3 Answer

Option d is correct option.

$\frac{20b}{{\left(4{b}^{3}\right)}^{3}}$

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