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Ber [7]
2 years ago
8

-a(a² + 2a-1) for a = 2 pls help me solve this

Mathematics
2 answers:
bazaltina [42]2 years ago
8 0

Answer:

-9

Step-by-step explanation:

-2(2x2+2(2)-1)

-2 x 4= -8

since the sign outside the bracket is negative, the positive sign will change to negative.

So we have -8-2(2)-1

-8-3

=-9

Paraphin [41]2 years ago
5 0

Answer:

I got you covered

Its -2(2^2 + 2 * 2 -) = -14                              ^ = exponent

Step-by-step explanation:

!!HOpe ThIs HeLps!!

Calculate with parentheses (2^2 + 2 * 2 -1) :7

= -2 * 7

The multiply and divide (left to right)

= -14

GL on the test

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