yonzin987 yonzin987

03-10-2020
Mathematics

contestada

Find the value of

(iv) 2x4 – 5x3 + 7x – 3 when x = -3.

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MyHeartIsBroken MyHeartIsBroken

03-10-2020

Answer:

.2x4 - 5x3 + 7x - 3

2(-3)4 - 5(-3)3 + (7×-3)-3

2(81) - 6(-27 ) + (-21)-3

162 + 162 + 63

= 387

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marburysincer5 marburysincer5

03-10-2020

Answer:

multiply (x+4) and (x+11);(x+7) and (x+8) separately,then u'll get x2+ 15x as common .

Step-by-step explanation:

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