Question

2. Multiply the following binomials and verify the results for the given values.(2x - 5y) (5x + 2y); x = 2, y = -1​

Answer 1

Step-by-step explanation:

given: x=2

y=-1

= (2*2 - 5*-1)(5*2 + 2*-1)

= (4+5)(10-2)

= 9*8

= 72

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Answer 2

given :

x=2

y= -1

=) (2x-5y)(5x+2y)

=) (2(2) - 5 (-1)) (5(2)+2 (-1))

=)(4-(-5)) (10+(-2))

=) (4+5)(10-2)

=) 9 * 8

=) 72